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RLAIF 13

The number of each Banshee's Coronary Arteries equals 16. The number of each Pulmonary Arteries's Serous Cells equals 18. The number of each Chimera's Pulmonary Arteries equals each Pulmonary Arteries's Serous Cells. The number of each Coronary Arteries's Thyroid Follicular Cells equals 5. How many Cells does Chimera have?

Define Pulmonary Arteries's Serous Cells as k; so k = 18. Define Pulmonary Arteries's Cells as l; so l = k = 18. Define Chimera's Pulmonary Arteries as r; so r = k = 18. Define Chimera's Cells as v; so v = r * l = 18 * 18 = 2.

2

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The number of each Humerus's Bipolar Cells equals each Elbow Joint's Autonomic Ganglia Neurons. The number of each Elbow Joint's Bipolar Cells equals the difference of each Quadriceps's Cells and each Quadriceps's Autonomic Ganglia Neurons. The number of each Daphnia's Elbow Joint equals each Yeast's Cartilage. The number of each Humerus's Autonomic Ganglia Neurons equals the sum of each Chlamydomonas's Organs, each Elbow Joint's Cerebellar Neurons and each Humerus's Bipolar Cells. The number of each Daphnia's Cartilage equals the sum of each Daphnia's Elbow Joint and each Quadriceps's Autonomic Ganglia Neurons. The number of each Yeast's Cartilage equals 19. The number of each Quadriceps's Autonomic Ganglia Neurons equals 15. The number of each Elbow Joint's Autonomic Ganglia Neurons equals 13 times as much as each Quadriceps's Autonomic Ganglia Neurons. The number of each Elbow Joint's Spinal Cord Neurons equals 7 times as much as each Daphnia's Humerus. The number of each Humerus's Spinal Cord Neurons equals each Yeast's Organs. The number of each Daphnia's Quadriceps equals 18 times as much as the difference of each Yeast's Organs and each Chlamydomonas's Humerus. The number of each Quadriceps's Bipolar Cells equals each Chlamydomonas's Humerus. The number of each Chlamydomonas's Quadriceps equals 2 more than each Elbow Joint's Autonomic Ganglia Neurons. The number of each Yeast's Elbow Joint equals 22 more than each Daphnia's Elbow Joint. The number of each Daphnia's Humerus equals 13. The number of each Chlamydomonas's Humerus equals the sum of each Humerus's Spinal Cord Neurons, each Yeast's Elbow Joint and each Yeast's Cartilage. The number of each Elbow Joint's Cerebellar Neurons equals the sum of each Quadriceps's Bipolar Cells and each Daphnia's Humerus. The number of each Cartilage's Cerebellar Neurons equals each Yeast's Elbow Joint. The number of each Cartilage's Autonomic Ganglia Neurons equals 19. How many Bipolar Cells does Quadriceps have?

Define Yeast's Cartilage as p; so p = 19. Define Daphnia's Elbow Joint as r; so r = p = 19. Define Yeast's Elbow Joint as f; so f = 22 + r = 22 + 19 = 18. Define Yeast's Organs as Y; so Y = f + p = 18 + 19 = 14. Define Humerus's Spinal Cord Neurons as C; so C = Y = 14. Define Chlamydomonas's Humerus as m; b = C + f = 14 + 18 = 9; so m = b + p = 9 + 19 = 5. Define Quadriceps's Bipolar Cells as B; so B = m = 5.

5

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The number of each Mountain Homes's BJ's Wholesale Club equals 6. The number of each Suburb's Publix equals 5 times as much as the difference of each Rural Homes's BJ's Wholesale Club and each Mountain Homes's Aldi. The number of each Suburb's BJ's Wholesale Club equals each Mountain Homes's Aldi. The number of each Rural Homes's Aldi equals the sum of each Mountain Homes's Publix and each Mountain Homes's BJ's Wholesale Club. The number of each Mountain Homes's Aldi equals 2 more than each Rural Homes's BJ's Wholesale Club. The number of each Mountain Homes's Publix equals 14. The number of each Suburb's Aldi equals 4. The number of each Rural Homes's BJ's Wholesale Club equals 16. The number of each Rural Homes's Publix equals each Mountain Homes's Publix. How many BJ's Wholesale Club does Mountain Homes have?

Define Mountain Homes's BJ's Wholesale Club as Y; so Y = 6.

6

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The number of each Coronary Arteries's Schwann Cells equals 5 more than the sum of each Arterioles's Astrocytes, each Savanna's Bald Eagle and each Bald Eagle's Coronary Arteries. The number of each Arterioles's Pyramidal Cells equals each Northern Grassland's Bald Eagle. The number of each Vulture's Mitral Valve equals 1. The number of each Mitral Valve's Astrocytes equals 3 times as much as the sum of each Savanna's Parrot and each Parrot's Arterioles. The number of each Coronary Arteries's Pyramidal Cells equals each Savanna's Parrot. The number of each Parrot's Coronary Arteries equals 6 more than the sum of each Vulture's Mitral Valve, each Northern Grassland's Bald Eagle and each Arterioles's Schwann Cells. The number of each Savanna's Parrot equals 22 more than each Bald Eagle's Coronary Arteries. The number of each Parrot's Arterioles equals 7. The number of each Mitral Valve's Pyramidal Cells equals the sum of each Northern Grassland's Creatures, each Northern Grassland's Parrot and each Northern Grassland's Bald Eagle. The number of each Mitral Valve's Schwann Cells equals 7. The number of each Northern Grassland's Parrot equals each Northern Grassland's Bald Eagle. The number of each Northern Grassland's Bald Eagle equals 4. The number of each Montane Grassland's Vulture equals 1 more than each Savanna's Bald Eagle. The number of each Savanna's Bald Eagle equals 9. The number of each Parrot's Mitral Valve equals each Savanna's Creatures. The number of each Bald Eagle's Arterioles equals each Arterioles's Pyramidal Cells. The number of each Montane Grassland's Bald Eagle equals 5 more than the sum of each Bald Eagle's Coronary Arteries and each Montane Grassland's Vulture. The number of each Arterioles's Astrocytes equals 0. The number of each Vulture's Coronary Arteries equals 16 more than each Northern Grassland's Vulture. The number of each Vulture's Arterioles equals 4. The number of each Northern Grassland's Vulture equals 1 times as much as the difference of each Northern Grassland's Bald Eagle and each Northern Grassland's Parrot. The number of each Arterioles's Schwann Cells equals the sum of each Mitral Valve's Pyramidal Cells, each Northern Grassland's Parrot and each Northern Grassland's Creatures. The number of each Savanna's Vulture equals 15 times as much as the sum of each Northern Grassland's Vulture and each Bald Eagle's Coronary Arteries. The number of each Bald Eagle's Coronary Arteries equals 13. How many Schwann Cells does Arterioles have?

Define Northern Grassland's Bald Eagle as s; so s = 4. Define Northern Grassland's Parrot as P; so P = s = 4. Define Northern Grassland's Vulture as n; J = s - P = 4 - 4 = 0; so n = 1 * J = 1 * 0 = 0. Define Northern Grassland's Creatures as T; E = n + P = 0 + 4 = 4; so T = E + s = 4 + 4 = 8. Define Mitral Valve's Pyramidal Cells as v; L = T + P = 8 + 4 = 12; so v = L + s = 12 + 4 = 16. Define Arterioles's Schwann Cells as S; R = v + P = 16 + 4 = 20; so S = R + T = 20 + 8 = 5.

5

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The number of each Organizer Work Backpack's Acrylic Paint equals 2. The number of each Briefcase Backpack's Watercolor Paint equals 16 more than each Hardshell Backpack's Easel. The number of each Hardshell Backpack's Easel equals 19. The number of each Organizer Work Backpack's Watercolor Paint equals each Briefcase Backpack's Stationery. How many Stationery does Organizer Work Backpack have?

Define Hardshell Backpack's Easel as W; so W = 19. Define Organizer Work Backpack's Watercolor Paint as BACK. Define Briefcase Backpack's Watercolor Paint as N; so N = 16 + W = 16 + 19 = 12. Define Briefcase Backpack's Stationery as K; so K = N = 12. Define Organizer Work Backpack's Watercolor Paint as D; so D = K = 12. Define Organizer Work Backpack's Acrylic Paint as m; so m = 2. Define Organizer Work Backpack's Stationery as k; so k = m + D = 2 + 12 = 14.

14

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The number of each Coastal Ecosystem's Paramecium equals 9 times as much as the sum of each Gonium's Frontal Lobe and each Amoeba's Spinal Nerves. The number of each Estuary's Amoeba equals 4 times as much as each Amoeba's Frontal Lobe. The number of each Hippocampus's Oligodendrocytes equals 2. The number of each Gonium's Frontal Lobe equals 4 times as much as each Amoeba's Frontal Lobe. The number of each Amygdala's Cerebellar Neurons equals the difference of each Stream Ecosystem's Tardigrade and each Coastal Ecosystem's Paramecium. The number of each Stream Ecosystem's Tardigrade equals each Amoeba's Spinal Nerves. The number of each Amoeba's Spinal Nerves equals 21 times as much as each Gonium's Frontal Lobe. The number of each Gonium's Hippocampus equals 20. The number of each Paramecium's Amygdala equals 4 times as much as the sum of each Stream Ecosystem's Tardigrade and each Gonium's Frontal Lobe. The number of each Tardigrade's Amygdala equals 6. The number of each Amoeba's Frontal Lobe equals 13. The number of each Deep Sea Ecosystem's Gonium equals each Amygdala's Interneurons. The number of each Spinal Nerves's Oligodendrocytes equals each Stream Ecosystem's Creatures. The number of each Hippocampus's Schwann Cells equals 18. The number of each Amygdala's Interneurons equals each Gonium's Hippocampus. How many Organs does Coastal Ecosystem have?

Define Amoeba's Frontal Lobe as K; so K = 13. Define Gonium's Frontal Lobe as M; so M = 4 * K = 4 * 13 = 6. Define Amoeba's Spinal Nerves as n; so n = 21 * M = 21 * 6 = 11. Define Stream Ecosystem's Tardigrade as O; so O = n = 11. Define Paramecium's Amygdala as S; g = O + M = 11 + 6 = 17; so S = 4 * g = 4 * 17 = 22. Define Coastal Ecosystem's Paramecium as L; u = M + n = 6 + 11 = 17; so L = 9 * u = 9 * 17 = 15. Define Paramecium's Organs as I; so I = S = 22. Define Coastal Ecosystem's Organs as l; so l = L * I = 15 * 22 = 8.

8

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The number of each Zoo Miami's Moth Metropolis equals 1. The number of each Singapore Zoo's Moth Metropolis equals 7. The number of each Zoo Miami's Stick Insect Forest equals each Zoo Miami's Moth Metropolis. How many Stick Insect Forest does Zoo Miami have?

Define Zoo Miami's Moth Metropolis as u; so u = 1. Define Zoo Miami's Stick Insect Forest as W; so W = u = 1.

1

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The number of each Seagull's Caudal Vertebrae 8 equals the difference of each Flamingo's Bone and each Flamingo's Caudal Vertebrae 9. The number of each Finch's Caudal Vertebrae 8 equals 6 times as much as each Flamingo's Bone. The number of each Dove's Caudal Vertebrae 6 equals each Primate House's Finch. The number of each Anteater Area's Seagull equals 13. The number of each Primate House's Flamingo equals 12 more than each Seagull's Caudal Vertebrae 6. The number of each Primate House's Dove equals each Primate House's Finch. The number of each Flamingo Gardens's Wolf Woods equals each Dove's Caudal Vertebrae 6. The number of each Anteater Area's Finch equals the difference of each Flamingo Gardens's Bone and each Seagull's Caudal Vertebrae 6. The number of each Pittsburgh National Aviary's Zebra Paddock equals 12 more than each Pittsburgh National Aviary's Anteater Area. The number of each Pittsburgh National Aviary's Anteater Area equals 1. The number of each Wolf Woods's Finch equals 16 times as much as each Flamingo's Caudal Vertebrae 9. The number of each Bird Paradise Wildlife Park's Primate House equals each Dove's Caudal Vertebrae 6. The number of each Bird Paradise Wildlife Park's Anteater Area equals the sum of each Flamingo's Bone and each Sylvan Heights Bird Park's Animal. The number of each Bird Paradise Wildlife Park's Wolf Woods equals 20. The number of each Flamingo's Caudal Vertebrae 9 equals 21. The number of each Wolf Woods's Flamingo equals each Flamingo's Bone. The number of each Primate House's Finch equals 20. The number of each Zebra Paddock's Seagull equals each Pittsburgh National Aviary's Anteater Area. The number of each Seagull's Caudal Vertebrae 6 equals 8. The number of each Dove's Caudal Vertebrae 1 equals 9. How many Bone does Wolf Woods have?

Define Flamingo's Caudal Vertebrae 9 as M; so M = 21. Define Flamingo's Bone as w; so w = M = 21. Define Wolf Woods's Flamingo as Y; so Y = w = 21. Define Wolf Woods's Finch as r; so r = 16 * M = 16 * 21 = 14. Define Finch's Caudal Vertebrae 8 as s; so s = 6 * w = 6 * 21 = 11. Define Finch's Bone as V; so V = s = 11. Define Wolf Woods's Bone as p; Q = r * V = 14 * 11 = 16; z = Y * w = 21 * 21 = 4; so p = Q + z = 16 + 4 = 20.

20

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The number of each Hippocampus's Megakaryocytes equals 9 times as much as the sum of each Hypothalamus's Red Blood Cells, each Spinal Nerves's T Cells and each Spinal Nerves's Megakaryocytes. The number of each Hippocampus's Basophils equals 13. The number of each Spinal Nerves's Megakaryocytes equals 15. The number of each Hypothalamus's Red Blood Cells equals each Spinal Nerves's T Cells. The number of each Hypothalamus's Megakaryocytes equals 12 more than the difference of each Hypothalamus's Red Blood Cells and each Spinal Nerves's T Cells. The number of each Spinal Nerves's T Cells equals 11. The number of each Hippocampus's T Cells equals each Hippocampus's Basophils. The number of each Thalamus's Red Blood Cells equals each Thalamus's Megakaryocytes. The number of each Hypothalamus's T Cells equals 14 more than each Hippocampus's Basophils. The number of each Hippocampus's Red Blood Cells equals 15. The number of each Spinal Nerves's Red Blood Cells equals 1. The number of each Spinal Nerves's Basophils equals 10. The number of each Hypothalamus's Basophils equals the sum of each Hypothalamus's Red Blood Cells and each Hypothalamus's Megakaryocytes. The number of each Thalamus's T Cells equals the sum of each Hippocampus's Cells and each Hypothalamus's Red Blood Cells. The number of each Thalamus's Megakaryocytes equals 12 more than each Hippocampus's Basophils. The number of each Thalamus's Basophils equals 18. How many Red Blood Cells does Hypothalamus have?

Define Spinal Nerves's T Cells as s; so s = 11. Define Hypothalamus's Red Blood Cells as Z; so Z = s = 11.

11

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The number of each Hypothalamus's Tongue Muscle Cells equals 10. The number of each Cerebellum's Tongue Muscle Cells equals 22. The number of each Hypothalamus's Myoepithelial Cells equals 14. How many Myoepithelial Cells does Hypothalamus have?

Define Hypothalamus's Myoepithelial Cells as q; so q = 14.

14

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The number of each Behavioral Science Lab's Shoe Compartment Backpack equals each Business Management Room's Shoe Compartment Backpack. The number of each Sociology Lab's Yoga Mat Backpack equals 8. The number of each Sociology Lab's Skiing Backpack equals the sum of each Behavioral Science Lab's Shoe Compartment Backpack and each Communication Studies Room's Shoe Compartment Backpack. The number of each Behavioral Science Lab's Skiing Backpack equals each Sociology Lab's Yoga Mat Backpack. The number of each Skiing Backpack's Highlighter equals 1 more than each Ventilated Backpack's Stationery. The number of each Skiing Backpack's Oil Pastel equals each Ventilated Backpack's Stationery. The number of each Communication Studies Room's Yoga Mat Backpack equals 12 times as much as each Business Management Room's Backpack. The number of each Ventilated Backpack's Gel Pen equals 13. The number of each Communication Studies Room's Shoe Compartment Backpack equals the sum of each Yoga Mat Backpack's Stationery, each Business Management Room's Backpack and each Behavioral Science Lab's Ventilated Backpack. The number of each Ventilated Backpack's Oil Pastel equals each Communication Studies Room's Yoga Mat Backpack. The number of each Behavioral Science Lab's Ventilated Backpack equals the sum of each Skiing Backpack's Stationery and each Business Management Room's Shoe Compartment Backpack. The number of each Shoe Compartment Backpack's Text Marker equals 7. The number of each Shoe Compartment Backpack's Gel Pen equals 15 times as much as each Sociology Lab's Yoga Mat Backpack. The number of each Yoga Mat Backpack's Text Marker equals 21. The number of each Business Management Room's Shoe Compartment Backpack equals 11. How many Ventilated Backpack does Behavioral Science Lab have?

Define Business Management Room's Shoe Compartment Backpack as s; so s = 11. Define Business Management Room's Backpack as a; so a = s = 11. Define Communication Studies Room's Yoga Mat Backpack as v; so v = 12 * a = 12 * 11 = 17. Define Ventilated Backpack's Oil Pastel as f; so f = v = 17. Define Ventilated Backpack's Gel Pen as o; so o = 13. Define Ventilated Backpack's Stationery as N; so N = o + f = 13 + 17 = 7. Define Skiing Backpack's Oil Pastel as A; so A = N = 7. Define Skiing Backpack's Highlighter as m; so m = 1 + N = 1 + 7 = 8. Define Skiing Backpack's Stationery as w; so w = m + A = 8 + 7 = 15. Define Behavioral Science Lab's Ventilated Backpack as D; so D = w + s = 15 + 11 = 3.

3

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The number of each Hillcrest High's Structural Engineering Lab equals 10. The number of each Metropolitan High's Robotics Lab equals the difference of each Hillcrest High's Number Theory Room and each Hillcrest High's Classroom. The number of each Hillcrest High's Number Theory Room equals 9 times as much as each Hillcrest High's Structural Engineering Lab. The number of each Summit Secondary's Number Theory Room equals 5 more than the sum of each Hillcrest High's Number Theory Room, each Summit Secondary's Robotics Lab and each Hillcrest High's Structural Engineering Lab. The number of each Summit Secondary's Structural Engineering Lab equals 7 times as much as the sum of each Summit Secondary's Number Theory Room and each Hillcrest High's Number Theory Room. The number of each Metropolitan High's Structural Engineering Lab equals 12 times as much as the difference of each Summit Secondary's Classroom and each Summit Secondary's Robotics Lab. The number of each Summit Secondary's Robotics Lab equals 0 more than the sum of each Hillcrest High's Robotics Lab and each Hillcrest High's Number Theory Room. The number of each Hillcrest High's Robotics Lab equals 18 more than the difference of each Hillcrest High's Number Theory Room and each Hillcrest High's Structural Engineering Lab. The number of each Metropolitan High's Number Theory Room equals 20. How many Structural Engineering Lab does Metropolitan High have?

Define Hillcrest High's Structural Engineering Lab as F; so F = 10. Define Hillcrest High's Number Theory Room as e; so e = 9 * F = 9 * 10 = 21. Define Hillcrest High's Robotics Lab as X; L = e - F = 21 - 10 = 11; so X = 18 + L = 18 + 11 = 6. Define Summit Secondary's Robotics Lab as I; g = X + e = 6 + 21 = 4; so I = 0 + g = 0 + 4 = 4. Define Summit Secondary's Number Theory Room as f; H = e + I = 21 + 4 = 2; T = H + F = 2 + 10 = 12; so f = 5 + T = 5 + 12 = 17. Define Summit Secondary's Structural Engineering Lab as k; c = f + e = 17 + 21 = 15; so k = 7 * c = 7 * 15 = 13. Define Summit Secondary's Classroom as x; v = f + I = 17 + 4 = 21; so x = v + k = 21 + 13 = 11. Define Metropolitan High's Structural Engineering Lab as E; z = x - I = 11 - 4 = 7; so E = 12 * z = 12 * 7 = 15.

15

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The number of each Workout Backpack's Envelope Folder equals 22 times as much as the sum of each Crossfit Backpack's Ring Binder, each Fitness Backpack's Ring Binder and each Workout Backpack's Magazine Holder. The number of each Fitness Backpack's Desk Organizer equals 17 more than the difference of each Fitness Backpack's Magazine Holder and each Fitness Backpack's Envelope Folder. The number of each Fitness Backpack's Envelope Folder equals 16 times as much as the sum of each Fitness Backpack's Ring Binder and each Workout Backpack's Magazine Holder. The number of each Crossfit Backpack's Magazine Holder equals 9. The number of each Fitness Backpack's Magazine Holder equals 1. The number of each Crossfit Backpack's Desk Organizer equals each Fitness Backpack's Envelope Folder. The number of each Workout Backpack's Ring Binder equals 8 more than each Crossfit Backpack's Magazine Holder. The number of each Fitness Backpack's Ring Binder equals 19 times as much as each Workout Backpack's Magazine Holder. The number of each Crossfit Backpack's Ring Binder equals 22 times as much as the sum of each Fitness Backpack's Envelope Folder, each Workout Backpack's Magazine Holder and each Fitness Backpack's Ring Binder. The number of each Workout Backpack's Magazine Holder equals 13. The number of each Workout Backpack's Desk Organizer equals 6 times as much as each Crossfit Backpack's Magazine Holder. The number of each Crossfit Backpack's Envelope Folder equals 18. How many Envelope Folder does Workout Backpack have?

Define Workout Backpack's Magazine Holder as V; so V = 13. Define Fitness Backpack's Ring Binder as p; so p = 19 * V = 19 * 13 = 17. Define Fitness Backpack's Envelope Folder as W; C = p + V = 17 + 13 = 7; so W = 16 * C = 16 * 7 = 20. Define Crossfit Backpack's Ring Binder as a; B = W + V = 20 + 13 = 10; Y = B + p = 10 + 17 = 4; so a = 22 * Y = 22 * 4 = 19. Define Workout Backpack's Envelope Folder as l; E = a + p = 19 + 17 = 13; X = E + V = 13 + 13 = 3; so l = 22 * X = 22 * 3 = 20.

20

hard

The number of each Hawk Haven's Lion equals each Lion's Bone. The number of each Hawk Haven's Cheetah equals each Lion's Bone. The number of each Cheetah's Coffin Bone equals the difference of each Kiwi House's Bone and each Lion's Bone. The number of each Cheetah's Radius equals 8. How many Bone does Kiwi House have?

Define Kiwi House's Bone as v; so v = 0.

0

hard

The number of each Pinnacle Peak University's History Classroom equals the sum of each Film Studio's Sweat-Resistant Backpack and each Language Classroom's Sweat-Resistant Backpack. The number of each Rosewood University's History Classroom equals each Forest Ridge University's Backpack. The number of each Photography Studio's Sweat-Resistant Backpack equals 2 times as much as the sum of each Forest Ridge University's Language Classroom and each Skyview University's Photography Studio. The number of each Film Studio's Hydration Backpack equals 2 more than the difference of each Photography Studio's Backpack and each Forest Ridge University's Classroom. The number of each Film Studio's Sweat-Resistant Backpack equals 2 more than the sum of each Language Classroom's Sweat-Resistant Backpack and each Rosewood University's Language Classroom. The number of each History Classroom's Biking Backpack equals 20. The number of each Rosewood University's Language Classroom equals 0 more than each Language Classroom's Sweat-Resistant Backpack. The number of each Language Classroom's Biking Backpack equals each Skyview University's Backpack. The number of each Skyview University's Photography Studio equals each Forest Ridge University's Language Classroom. The number of each Forest Ridge University's Photography Studio equals the sum of each Skyview University's Backpack, each Skyview University's Photography Studio and each Forest Ridge University's Language Classroom. The number of each Language Classroom's Hydration Backpack equals each Photography Studio's Backpack. The number of each Forest Ridge University's Language Classroom equals 22. The number of each Pinnacle Peak University's Film Studio equals the sum of each Skyview University's Photography Studio and each Forest Ridge University's Language Classroom. The number of each History Classroom's Snowboard Backpack equals the sum of each Rosewood University's Language Classroom, each Rosewood University's Film Studio and each Skyview University's Backpack. The number of each Rosewood University's Film Studio equals 3. The number of each Language Classroom's Sweat-Resistant Backpack equals 20. The number of each Pinnacle Peak University's Language Classroom equals 0 more than each Skyview University's Classroom. How many Photography Studio does Forest Ridge University have?

Define Forest Ridge University's Language Classroom as N; so N = 22. Define Skyview University's Photography Studio as x; so x = N = 22. Define Pinnacle Peak University's History Classroom as BACK. Define Film Studio's Hydration Backpack as BACK. Define Photography Studio's Sweat-Resistant Backpack as P; X = N + x = 22 + 22 = 21; so P = 2 * X = 2 * 21 = 19. Define Photography Studio's Backpack as R; so R = P = 19. Define Skyview University's Backpack as H; so H = x * R = 22 * 19 = 4. Define Forest Ridge University's Photography Studio as S; i = H + x = 4 + 22 = 3; so S = i + N = 3 + 22 = 2.

2

hard

The number of each Metropolis Community College's Badminton Court equals each Badminton Court's Organizer Work Backpack. The number of each Badminton Court's Tech Backpack equals the difference of each Skyline College's Stationery and each Metropolis Community College's Aerobics Studio. The number of each Aerobics Studio's Organizer Work Backpack equals 5 more than each Badminton Court's Organizer Work Backpack. The number of each Organizer Work Backpack's Diary equals 2 more than each Tech Backpack's Notebook. The number of each Tech Backpack's Notebook equals 3. The number of each Tool Backpack's Notebook equals 2. The number of each Baseball Field's Organizer Work Backpack equals each Badminton Court's Tech Backpack. The number of each Tech Backpack's Journal equals each Sunrise College's Baseball Field. The number of each Baseball Field's Tool Backpack equals the sum of each Tool Backpack's Stationery, each Badminton Court's Backpack and each Tool Backpack's Notebook. The number of each Sunrise College's Baseball Field equals 3. The number of each Organizer Work Backpack's Craft Paper equals 1 times as much as each Metropolis Community College's Badminton Court. The number of each Metropolis Community College's Aerobics Studio equals 5 times as much as each Skyline College's Stationery. The number of each Badminton Court's Organizer Work Backpack equals 0 more than each Skyline College's Stationery. How many Backpack does Metropolis Community College have?

Define Skyline College's Stationery as a; so a = 0. Define Organizer Work Backpack's Craft Paper as BACK. Define Metropolis Community College's Aerobics Studio as T; so T = 5 * a = 5 * 0 = 0. Define Badminton Court's Tech Backpack as U; so U = a - T = 0 - 0 = 0. Define Badminton Court's Organizer Work Backpack as D; so D = 0 + a = 0 + 0 = 0. Define Badminton Court's Backpack as W; so W = D + U = 0 + 0 = 0. Define Aerobics Studio's Organizer Work Backpack as J; so J = 5 + D = 5 + 0 = 5. Define Aerobics Studio's Backpack as X; so X = J = 5. Define Metropolis Community College's Badminton Court as f; so f = D = 0. Define Metropolis Community College's Backpack as G; P = T * X = 0 * 5 = 0; l = f * W = 0 * 0 = 0; so G = P + l = 0 + 0 = 0.

0

hard

The number of each Warehouse District's Lakewinds Food Co-op equals 1 more than each Entertainment District's New Seasons Market. The number of each Entertainment District's New Seasons Market equals 4. The number of each Entertainment District's Harvest Market equals 20 times as much as the sum of each Entertainment District's New Seasons Market and each New Seasons Market's Canned Fish. The number of each Harvest Market's Canned Tomatoes equals each New Seasons Market's Canned Peas. The number of each New Seasons Market's Canned Tomatoes equals each New Seasons Market's Canned Peas. The number of each Harvest Market's Canned Fish equals 3 more than each Lakewinds Food Co-op's Canned Fish. The number of each Lakewinds Food Co-op's Canned Fish equals 22. The number of each Warehouse District's New Seasons Market equals each Entertainment District's Product. The number of each Industrial District's New Seasons Market equals 7. The number of each Industrial District's Lakewinds Food Co-op equals the sum of each New Seasons Market's Canned Tomatoes and each Entertainment District's New Seasons Market. The number of each Harvest Market's Canned Peas equals each New Seasons Market's Canned Fish. The number of each New Seasons Market's Canned Fish equals 10 times as much as each Entertainment District's New Seasons Market. The number of each Lakewinds Food Co-op's Canned Tomatoes equals the sum of each New Seasons Market's Canned Fish and each Entertainment District's New Seasons Market. The number of each New Seasons Market's Canned Peas equals each Lakewinds Food Co-op's Canned Fish. How many Canned Peas does New Seasons Market have?

Define New Seasons Market's Canned Tomatoes as BACK. Define Lakewinds Food Co-op's Canned Fish as x; so x = 22. Define New Seasons Market's Canned Peas as c; so c = x = 22.

22

hard

The number of each No Frills's Canned Tuna equals 8 more than each Family Dollar's Canned Pineapple. The number of each Canned Tuna's Pear equals each Canned Peas's Pear. The number of each Family Dollar's Canned Pineapple equals 15. The number of each Family Dollar's Canned Peas equals each Canned Pineapple's Pear. The number of each Canned Peas's Pear equals the sum of each Family Dollar's Canned Peas and each Canned Pineapple's Pear. The number of each Canned Peas's Avocado equals each No Frills's Product. The number of each Shop 'n Save's Canned Pineapple equals the difference of each No Frills's Canned Tuna and each Family Dollar's Canned Pineapple. The number of each No Frills's Canned Peas equals 10 more than the sum of each Family Dollar's Canned Pineapple and each No Frills's Canned Tuna. The number of each Canned Pineapple's Avocado equals 22 times as much as the sum of each No Frills's Canned Tuna and each Family Dollar's Canned Tuna. The number of each Shop 'n Save's Canned Tuna equals 7 times as much as each Canned Pineapple's Pear. The number of each Family Dollar's Canned Tuna equals 10 more than each Canned Tuna's Avocado. The number of each Canned Tuna's Avocado equals the difference of each No Frills's Canned Peas and each Family Dollar's Canned Pineapple. The number of each Canned Pineapple's Lemon equals the sum of each Canned Tuna's Avocado, each No Frills's Canned Tuna, each Family Dollar's Canned Pineapple and each Canned Peas's Lemon. The number of each Shop 'n Save's Canned Peas equals each Shop 'n Save's Canned Tuna. The number of each Canned Tuna's Lemon equals 0. The number of each No Frills's Canned Pineapple equals 3 times as much as the difference of each Canned Tuna's Avocado and each Family Dollar's Canned Pineapple. The number of each Canned Peas's Lemon equals 3. The number of each Canned Pineapple's Pear equals 7. How many Avocado does Canned Peas have?

Define Family Dollar's Canned Pineapple as b; so b = 15. Define No Frills's Canned Tuna as F; so F = 8 + b = 8 + 15 = 0. Define No Frills's Canned Peas as Y; x = b + F = 15 + 0 = 15; so Y = 10 + x = 10 + 15 = 2. Define Canned Tuna's Avocado as t; so t = Y - b = 2 - 15 = 10. Define No Frills's Canned Pineapple as m; p = t - b = 10 - 15 = 18; so m = 3 * p = 3 * 18 = 8. Define No Frills's Product as d; N = Y + F = 2 + 0 = 2; so d = N + m = 2 + 8 = 10. Define Canned Peas's Avocado as v; so v = d = 10.

10

hard

The number of each Subtropical Rainforest's Leopard equals 8. The number of each Subtropical Rainforest's Sloth equals 2 times as much as each Tropical Rainforest's Leopard. The number of each Pine Forest's Armadillo equals each Subtropical Rainforest's Leopard. The number of each Temperate Broadleaf Forest's Chimpanzee equals each Pine Forest's Creatures. The number of each Tropical Rainforest's Leopard equals 11. How many Creatures does Pine Forest have?

Define Subtropical Rainforest's Leopard as B; so B = 8. Define Pine Forest's Armadillo as r; so r = B = 8. Define Pine Forest's Creatures as j; so j = r = 8.

8

med

The number of each Erewhon Market's Rice Milk equals 13. The number of each Castle District's Jimbo's Naturally equals 9 more than each Jimbo's Naturally's Sports Drinks. The number of each Erewhon Market's Sparkling Water equals 21 times as much as the sum of each Castle District's Supermarket and each Castle District's Jimbo's Naturally. The number of each Jimbo's Naturally's Sports Drinks equals each Rice Milk's Beetroot. The number of each Preservation District's Erewhon Market equals 3 more than each Sparkling Water's Kale. The number of each Rice Milk's Beetroot equals each Erewhon Market's Rice Milk. The number of each Sparkling Water's Kale equals each Castle District's Ingredient. How many Erewhon Market does Preservation District have?

Define Erewhon Market's Rice Milk as m; so m = 13. Define Rice Milk's Beetroot as T; so T = m = 13. Define Jimbo's Naturally's Sports Drinks as Z; so Z = T = 13. Define Castle District's Jimbo's Naturally as u; so u = 9 + Z = 9 + 13 = 22. Define Sports Drinks's Ingredient as X; so X = 0. Define Jimbo's Naturally's Ingredient as D; so D = Z * X = 13 * 0 = 0. Define Castle District's Ingredient as z; so z = u * D = 22 * 0 = 0. Define Sparkling Water's Kale as q; so q = z = 0. Define Preservation District's Erewhon Market as v; so v = 3 + q = 3 + 0 = 3.

3

med

The number of each Spider Web Exhibit's Alligator equals the difference of each Kruger National Park's Enclosure and each Kruger National Park's Spider Web Exhibit. The number of each Alligator's Distal Phalanges equals the sum of each Monitor Lizard's Scapula, each Spider Web Exhibit's Alligator, each Kruger National Park's Enclosure and each Alligator's Scapula. The number of each Etosha National Park's Spider Web Exhibit equals 12 times as much as the sum of each Kruger National Park's Bone, each Lake Nakuru National Park's Spider Web Exhibit and each Spider Web Exhibit's Animal. The number of each Butterfly Garden's Alligator equals the difference of each Kruger National Park's Enclosure and each Monitor Lizard's Bone. The number of each Lake Nakuru National Park's Butterfly Garden equals the difference of each Kruger National Park's Animal and each Etosha National Park's Enclosure. The number of each Monitor Lizard's Scapula equals 11 more than each Spider Web Exhibit's Animal. The number of each Lake Nakuru National Park's Spider Web Exhibit equals 1. The number of each Spider Web Exhibit's Monitor Lizard equals 10 more than each Kruger National Park's Enclosure. The number of each Alligator's Scapula equals 16. The number of each Kruger National Park's Spider Web Exhibit equals 16. The number of each Butterfly Garden's Monitor Lizard equals the sum of each Alligator's Bone and each Monitor Lizard's Bone. How many Animal does Kruger National Park have?

Define Kruger National Park's Spider Web Exhibit as T; so T = 16. Define Kruger National Park's Enclosure as v; so v = T = 16. Define Etosha National Park's Animal as BACK. Define Spider Web Exhibit's Monitor Lizard as t; so t = 10 + v = 10 + 16 = 3. Define Spider Web Exhibit's Alligator as P; so P = v - T = 16 - 16 = 0. Define Spider Web Exhibit's Animal as M; so M = P + t = 0 + 3 = 3. Define Kruger National Park's Animal as S; so S = T * M = 16 * 3 = 2.

2

hard

The number of each Lowland Grassland's Condor equals 19. The number of each Veldt's Bat equals 13 more than each Lowland Grassland's Condor. The number of each Aortic Valve's Renal Tubular Cells equals the sum of each Bat's Aortic Valve, each Condor's Chambers of the Heart and each Condor's Aortic Valve. The number of each Bat's Aortic Valve equals 17. The number of each Condor's Chambers of the Heart equals 12. The number of each Aortic Valve's Hepatocytes equals the sum of each Lowland Grassland's Creatures, each Lowland Grassland's Condor and each Veldt's Bat. The number of each Chambers of the Heart's Hepatocytes equals 12 times as much as each Bat's Organs. The number of each Lowland Grassland's Bat equals each Veldt's Creatures. The number of each Bat's Chambers of the Heart equals 9 more than the sum of each Condor's Chambers of the Heart, each Aortic Valve's Hepatocytes and each Veldt's Bat. The number of each Veldt's Condor equals 14. The number of each Chambers of the Heart's Renal Tubular Cells equals 18. The number of each Condor's Aortic Valve equals 2 times as much as each Condor's Chambers of the Heart. How many Creatures does Veldt have?

Define Lowland Grassland's Condor as U; so U = 19. Define Veldt's Bat as w; so w = 13 + U = 13 + 19 = 9. Define Veldt's Condor as P; so P = 14. Define Veldt's Creatures as e; so e = P + w = 14 + 9 = 0.

0

hard

The number of each Seahorse Sanctuary's Boa Constrictor equals each Bird Kingdom's Tropical Fish Tanks. The number of each Coral Reef Exhibit's Iguana equals 19 more than each Flamingo Gardens's Piranha Pond. The number of each Coral Reef Exhibit's Boa Constrictor equals the sum of each Coral Reef Exhibit's Iguana, each Flamingo Gardens's Piranha Pond and each Pittsburgh National Aviary's Coral Reef Exhibit. The number of each Flamingo Gardens's Tropical Fish Tanks equals the sum of each Bird Kingdom's Piranha Pond, each Pittsburgh National Aviary's Animal and each Bird Kingdom's Tropical Fish Tanks. The number of each Bird Kingdom's Tropical Fish Tanks equals 15. The number of each Flamingo Gardens's Piranha Pond equals 2. The number of each Pittsburgh National Aviary's Coral Reef Exhibit equals each Bird Kingdom's Seahorse Sanctuary. The number of each Piranha Pond's Boa Constrictor equals 20 more than each Coral Reef Exhibit's Monitor Lizard. The number of each Piranha Pond's Iguana equals 11 more than each Bird Kingdom's Piranha Pond. The number of each Coral Reef Exhibit's Monitor Lizard equals 17 more than the sum of each Coral Reef Exhibit's Iguana and each Bird Kingdom's Seahorse Sanctuary. The number of each Piranha Pond's Crocodile equals 20. The number of each National Aviary's Seahorse Sanctuary equals 12 times as much as each Bird Kingdom's Tropical Fish Tanks. The number of each Bird Kingdom's Piranha Pond equals the sum of each Piranha Pond's Crocodile, each Seahorse Sanctuary's Boa Constrictor and each Bird Kingdom's Tropical Fish Tanks. The number of each Seahorse Sanctuary's Crocodile equals 21. The number of each Bird Kingdom's Seahorse Sanctuary equals each Flamingo Gardens's Piranha Pond. How many Animal does Pittsburgh National Aviary have?

Define Pittsburgh National Aviary's Animal as BACK. Define Flamingo Gardens's Piranha Pond as O; so O = 2. Define Bird Kingdom's Seahorse Sanctuary as q; so q = O = 2. Define Pittsburgh National Aviary's Coral Reef Exhibit as v; so v = q = 2. Define Coral Reef Exhibit's Iguana as Z; so Z = 19 + O = 19 + 2 = 21. Define Coral Reef Exhibit's Monitor Lizard as d; e = Z + q = 21 + 2 = 0; so d = 17 + e = 17 + 0 = 17. Define Coral Reef Exhibit's Boa Constrictor as C; b = Z + O = 21 + 2 = 0; so C = b + v = 0 + 2 = 2. Define Coral Reef Exhibit's Animal as a; l = Z + C = 21 + 2 = 0; so a = l + d = 0 + 17 = 17. Define Pittsburgh National Aviary's Animal as T; so T = v * a = 2 * 17 = 11.

11

hard

The number of each Euglena's Chambers of the Heart equals 3. The number of each Vorticella's Chambers of the Heart equals 7 times as much as each Trichomonas's Saphenous Vein. The number of each Diatom's Chambers of the Heart equals 10 more than each Chambers of the Heart's Cells. The number of each Chambers of the Heart's Basophils equals 8. The number of each Riparian Forest's Diatom equals each Chambers of the Heart's Lymphocytes. The number of each Chambers of the Heart's Lymphocytes equals 22 more than each Mixed Forest's Vorticella. The number of each Montane Forest's Trichomonas equals the sum of each Saphenous Vein's Basophils and each Trichomonas's Saphenous Vein. The number of each Trichomonas's Chambers of the Heart equals each Trichomonas's Saphenous Vein. The number of each Saphenous Vein's Lymphocytes equals each Vorticella's Chambers of the Heart. The number of each Saphenous Vein's Basophils equals the difference of each Pine Forest's Euglena and each Riparian Forest's Vorticella. The number of each Pine Forest's Vorticella equals 21 more than the sum of each Mixed Forest's Cells, each Trichomonas's Organs and each Vorticella's Chambers of the Heart. The number of each Riparian Forest's Vorticella equals 15. The number of each Mixed Forest's Vorticella equals 9. The number of each Pine Forest's Euglena equals 5. The number of each Trichomonas's Saphenous Vein equals 9. The number of each Pine Forest's Trichomonas equals 22. The number of each Pine Forest's Diatom equals 6. How many Lymphocytes does Chambers of the Heart have?

Define Mixed Forest's Vorticella as W; so W = 9. Define Chambers of the Heart's Lymphocytes as l; so l = 22 + W = 22 + 9 = 8.

8

hard

The number of each International School District's Valli Produce equals 6 more than the difference of each Special Education District's Galleria Supermarket and each Milk's Parsley. The number of each La Michoacana Meat Market's Bottled Water equals 0 more than the sum of each Milk's Cayenne Pepper and each International School District's La Michoacana Meat Market. The number of each Special Education District's Galleria Supermarket equals 9. The number of each Galleria Supermarket's Milk equals 8 times as much as each Milk's Ingredient. The number of each International School District's La Michoacana Meat Market equals 19. The number of each Coffee's Cloves equals 15 more than each Milk's Cayenne Pepper. The number of each Milk's Cayenne Pepper equals 21 times as much as each International School District's La Michoacana Meat Market. The number of each Milk's Parsley equals 2. The number of each Galleria Supermarket's Coffee equals 4. How many Product does La Michoacana Meat Market have?

Define Galleria Supermarket's Product as BACK. Define International School District's La Michoacana Meat Market as f; so f = 19. Define Milk's Cayenne Pepper as l; so l = 21 * f = 21 * 19 = 8. Define La Michoacana Meat Market's Bottled Water as r; v = l + f = 8 + 19 = 4; so r = 0 + v = 0 + 4 = 4. Define La Michoacana Meat Market's Product as C; so C = r = 4.

4

med

The number of each Film Studio's Diaper Backpack equals 22. The number of each History Classroom's Fashion Backpack equals 18. The number of each Digital Arts Studio's Gaming Backpack equals 3. The number of each E-Learn Portal's History Classroom equals 2 times as much as each History Classroom's Gaming Backpack. The number of each Gaming Backpack's Calendar equals 1 times as much as each Digital Arts Studio's Gaming Backpack. The number of each Gaming Backpack's Ring Binder equals 21. The number of each Diaper Backpack's Card Holder equals 10 times as much as each WebEd Institute's History Classroom. The number of each History Classroom's Gaming Backpack equals each Gaming Backpack's Calendar. The number of each E-Learn Portal's Digital Arts Studio equals the sum of each History Classroom's Fashion Backpack and each History Classroom's Backpack. The number of each WebEd Institute's History Classroom equals each Gaming Backpack's Ring Binder. The number of each WebEd Institute's Film Studio equals each E-Learn Portal's Backpack. How many Film Studio does WebEd Institute have?

Define History Classroom's Fashion Backpack as E; so E = 18. Define Digital Arts Studio's Gaming Backpack as k; so k = 3. Define Gaming Backpack's Calendar as S; so S = 1 * k = 1 * 3 = 3. Define History Classroom's Gaming Backpack as m; so m = S = 3. Define WebEd Institute's Stationery as BACK. Define History Classroom's Backpack as V; so V = m + E = 3 + 18 = 21. Define E-Learn Portal's History Classroom as P; so P = 2 * m = 2 * 3 = 6. Define Digital Arts Studio's Backpack as I; so I = k = 3. Define E-Learn Portal's Digital Arts Studio as h; so h = E + V = 18 + 21 = 16. Define E-Learn Portal's Backpack as e; W = P * V = 6 * 21 = 11; Y = h * I = 16 * 3 = 2; so e = W + Y = 11 + 2 = 13. Define WebEd Institute's Film Studio as c; so c = e = 13.

13

med

The number of each Chemistry Lab's Designer Backpack equals 5 more than the difference of each Tool Backpack's Calendar and each Organizer Work Backpack's Clip Board. The number of each Designer Backpack's Box File equals the sum of each Earth Science Lab's Tool Backpack, each Inorganic Chemistry Lab's Tech Backpack, each Earth Science Lab's Organizer Work Backpack and each Organizer Work Backpack's Box File. The number of each Inorganic Chemistry Lab's Tech Backpack equals each Earth Science Lab's Organizer Work Backpack. The number of each Earth Science Lab's Tech Backpack equals 8 times as much as each Kingston Secondary's Chemistry Lab. The number of each Tech Backpack's Desk Pad equals 17. The number of each Organizer Work Backpack's Box File equals 9 times as much as the sum of each Kingston Secondary's Earth Science Lab, each Earth Science Lab's Organizer Work Backpack and each Earth Science Lab's Tool Backpack. The number of each Inorganic Chemistry Lab's Tool Backpack equals each Organizer Work Backpack's Clip Board. The number of each Kingston Secondary's Earth Science Lab equals each Earth Science Lab's Organizer Work Backpack. The number of each Tech Backpack's Box File equals 22. The number of each Pinnacle High's Inorganic Chemistry Lab equals 2. The number of each Tool Backpack's Desk Pad equals 4 times as much as the sum of each Earth Science Lab's Tech Backpack and each Kingston Secondary's Chemistry Lab. The number of each Pinnacle High's Chemistry Lab equals 20 times as much as the sum of each Tool Backpack's Desk Pad, each Kingston Secondary's Chemistry Lab and each Earth Science Lab's Tech Backpack. The number of each Pinnacle High's Earth Science Lab equals the sum of each Earth Science Lab's Tech Backpack, each Kingston Secondary's Chemistry Lab, each Pinnacle High's Chemistry Lab and each Tool Backpack's Desk Pad. The number of each Chemistry Lab's Tool Backpack equals 1. The number of each Chemistry Lab's Tech Backpack equals 2 more than each Pinnacle High's Chemistry Lab. The number of each Organizer Work Backpack's Clip Board equals 11. The number of each Earth Science Lab's Organizer Work Backpack equals 20. The number of each Earth Science Lab's Tool Backpack equals 10 times as much as each Earth Science Lab's Organizer Work Backpack. The number of each Tool Backpack's Calendar equals each Inorganic Chemistry Lab's Tech Backpack. The number of each Tool Backpack's Box File equals 16. The number of each Organizer Work Backpack's Calendar equals 2 times as much as the sum of each Tool Backpack's Calendar and each Earth Science Lab's Organizer Work Backpack. The number of each Kingston Secondary's Chemistry Lab equals 16. The number of each Westwood High's Chemistry Lab equals the difference of each Earth Science Lab's Tool Backpack and each Tool Backpack's Desk Pad. The number of each Kingston Secondary's Inorganic Chemistry Lab equals 14. How many Chemistry Lab does Pinnacle High have?

Define Kingston Secondary's Chemistry Lab as R; so R = 16. Define Earth Science Lab's Tech Backpack as C; so C = 8 * R = 8 * 16 = 13. Define Tool Backpack's Desk Pad as U; S = C + R = 13 + 16 = 6; so U = 4 * S = 4 * 6 = 1. Define Earth Science Lab's Stationery as BACK. Define Pinnacle High's Chemistry Lab as r; O = U + R = 1 + 16 = 17; T = O + C = 17 + 13 = 7; so r = 20 * T = 20 * 7 = 2.

2

hard

The number of each Mikumi National Park's Iguana Habitat equals 21 more than the sum of each Tarangire National Park's Gecko Greenhouse, each Tarangire National Park's Iguana Habitat and each Mikumi National Park's Gecko Greenhouse. The number of each Tarangire National Park's Gecko Greenhouse equals 8 times as much as each Tarangire National Park's Iguana Habitat. The number of each Tarangire National Park's Iguana Habitat equals 15. The number of each Mikumi National Park's Gecko Greenhouse equals 1 more than the sum of each Tarangire National Park's Enclosure and each Tarangire National Park's Iguana Habitat. How many Enclosure does Mikumi National Park have?

Define Tarangire National Park's Iguana Habitat as H; so H = 15. Define Tarangire National Park's Gecko Greenhouse as p; so p = 8 * H = 8 * 15 = 5. Define Mikumi National Park's Enclosure as BACK. Define Tarangire National Park's Enclosure as O; so O = H + p = 15 + 5 = 20. Define Mikumi National Park's Gecko Greenhouse as S; h = O + H = 20 + 15 = 12; so S = 1 + h = 1 + 12 = 13. Define Mikumi National Park's Iguana Habitat as u; v = p + H = 5 + 15 = 20; X = v + S = 20 + 13 = 10; so u = 21 + X = 21 + 10 = 8. Define Mikumi National Park's Enclosure as n; so n = u + S = 8 + 13 = 21.

21

hard

The number of each Metropolis Community College's Computer Science Lab equals 16 times as much as the sum of each East Bay College's Classroom, each Harbor Point College's Inorganic Chemistry Lab and each Harbor Point College's Computer Science Lab. The number of each East Bay College's Chemistry Lab equals 6 more than the sum of each Harbor Point College's Classroom, each Harbor Point College's Computer Science Lab and each Harbor Point College's Inorganic Chemistry Lab. The number of each Harbor Point College's Inorganic Chemistry Lab equals 15. The number of each Harbor Point College's Computer Science Lab equals 20. How many Classroom does Metropolis Community College have?

Define Harbor Point College's Computer Science Lab as z; so z = 20. Define Harbor Point College's Inorganic Chemistry Lab as p; so p = 15. Define Harbor Point College's Classroom as C; so C = p + z = 15 + 20 = 12. Define East Bay College's Chemistry Lab as q; r = C + z = 12 + 20 = 9; T = r + p = 9 + 15 = 1; so q = 6 + T = 6 + 1 = 7. Define East Bay College's Classroom as g; so g = q = 7. Define Metropolis Community College's Computer Science Lab as s; H = g + p = 7 + 15 = 22; R = H + z = 22 + 20 = 19; so s = 16 * R = 16 * 19 = 5. Define Metropolis Community College's Classroom as G; so G = s = 5.

5

hard

The number of each Engineering Workshop's Ultralight Backpack equals each Multi-Day Pack's Stationery. The number of each Computer Engineering Lab's Ultralight Backpack equals 16 more than each Packable Travel Backpack's Label Maker. The number of each Ultralight Backpack's Glue Stick equals 15 times as much as the difference of each Computer Engineering Lab's Packable Travel Backpack and each Engineering Workshop's Multi-Day Pack. The number of each Engineering Workshop's Packable Travel Backpack equals 5. The number of each Multi-Day Pack's Glue Stick equals 11. The number of each Computer Engineering Lab's Multi-Day Pack equals 18. The number of each Computer Engineering Lab's Packable Travel Backpack equals each Engineering Workshop's Multi-Day Pack. The number of each Ultralight Backpack's Correction Fluid equals 15 times as much as each Engineering Workshop's Packable Travel Backpack. The number of each Packable Travel Backpack's Label Maker equals 7. The number of each Multi-Day Pack's Label Maker equals each Computer Engineering Lab's Multi-Day Pack. The number of each Multi-Day Pack's Correction Fluid equals each Ultralight Backpack's Correction Fluid. The number of each Ultralight Backpack's Label Maker equals the sum of each Ultralight Backpack's Correction Fluid and each Engineering Workshop's Packable Travel Backpack. The number of each Engineering Workshop's Multi-Day Pack equals 3 times as much as each Multi-Day Pack's Label Maker. How many Multi-Day Pack does Engineering Workshop have?

Define Computer Engineering Lab's Multi-Day Pack as W; so W = 18. Define Multi-Day Pack's Label Maker as u; so u = W = 18. Define Engineering Workshop's Multi-Day Pack as A; so A = 3 * u = 3 * 18 = 8.

8

med

The number of each Lincoln High's Geometry Room equals each Calculus Classroom's Ultralight Backpack. The number of each Rosewood High's Calculus Classroom equals the sum of each Weekender Backpack's Charcoal Stick, each Calculus Classroom's Ultralight Backpack and each Thermodynamics Lab's Stationery. The number of each Expedition Pack's Colored Pencil equals 5. The number of each Expedition Pack's Watercolor Pencil equals the difference of each Rosewood High's Classroom and each Geometry Room's Weekender Backpack. The number of each Eastside Secondary's Mechanical Engineering Lab equals the difference of each Calculus Classroom's Ultralight Backpack and each Mechanical Engineering Lab's Backpack. The number of each Calculus Classroom's Ultralight Backpack equals 2 times as much as each Expedition Pack's Colored Pencil. The number of each Lincoln High's Thermodynamics Lab equals the sum of each Expedition Pack's Colored Pencil, each Calculus Classroom's Weekender Backpack, each Calculus Classroom's Ultralight Backpack and each Geometry Room's Weekender Backpack. The number of each Calculus Classroom's Weekender Backpack equals the sum of each Geometry Room's Weekender Backpack, each Expedition Pack's Colored Pencil and each Weekender Backpack's Charcoal Stick. The number of each Ultralight Backpack's Colored Pencil equals 1. The number of each Lincoln High's Mechanical Engineering Lab equals 22. The number of each Mechanical Engineering Lab's Expedition Pack equals 18. The number of each Expedition Pack's Charcoal Stick equals the sum of each Rosewood High's Calculus Classroom, each Thermodynamics Lab's Stationery, each Geometry Room's Stationery and each Calculus Classroom's Ultralight Backpack. The number of each Convertible Backpack's Oil Pastel equals 5 times as much as each Ultralight Backpack's Colored Pencil. The number of each Convertible Backpack's Charcoal Stick equals the sum of each Kingston Secondary's Backpack, each Kingston Secondary's Stationery and each Ultralight Backpack's Colored Pencil. The number of each Thermodynamics Lab's Ultralight Backpack equals 16 times as much as each Ultralight Backpack's Colored Pencil. The number of each Mechanical Engineering Lab's Convertible Backpack equals 19. The number of each Geometry Room's Weekender Backpack equals each Weekender Backpack's Charcoal Stick. The number of each Weekender Backpack's Charcoal Stick equals 8 times as much as the sum of each Expedition Pack's Colored Pencil and each Calculus Classroom's Ultralight Backpack. How many Stationery does Thermodynamics Lab have?

Define Ultralight Backpack's Colored Pencil as Q; so Q = 1. Define Ultralight Backpack's Stationery as W; so W = Q = 1. Define Thermodynamics Lab's Ultralight Backpack as H; so H = 16 * Q = 16 * 1 = 16. Define Thermodynamics Lab's Stationery as y; so y = H * W = 16 * 1 = 16.

16

hard

The number of each Thalamus's Keratinocytes equals each Thalamus's Stromal Cells. The number of each Hypothalamus's Keratinocytes equals 11 times as much as the difference of each Thalamus's Stromal Cells and each Thalamus's Keratinocytes. The number of each Ganglia's Keratinocytes equals 7 more than the sum of each Hypothalamus's Stromal Cells and each Hypothalamus's Fibroblasts. The number of each Hypothalamus's Stromal Cells equals 15 times as much as the sum of each Thalamus's Fibroblasts, each Thalamus's Stromal Cells and each Thalamus's Keratinocytes. The number of each Ganglia's Fibroblasts equals the sum of each Hypothalamus's Cells, each Hypothalamus's Stromal Cells, each Hypothalamus's Fibroblasts and each Thalamus's Stromal Cells. The number of each Hypothalamus's Fibroblasts equals each Thalamus's Stromal Cells. The number of each Thalamus's Stromal Cells equals 13. The number of each Thalamus's Fibroblasts equals 8 more than the difference of each Thalamus's Keratinocytes and each Thalamus's Stromal Cells. How many Cells does Ganglia have?

Define Thalamus's Stromal Cells as B; so B = 13. Define Thalamus's Keratinocytes as g; so g = B = 13. Define Thalamus's Fibroblasts as p; S = g - B = 13 - 13 = 0; so p = 8 + S = 8 + 0 = 8. Define Hypothalamus's Stromal Cells as M; c = p + B = 8 + 13 = 21; X = c + g = 21 + 13 = 11; so M = 15 * X = 15 * 11 = 4. Define Hypothalamus's Keratinocytes as o; A = B - g = 13 - 13 = 0; so o = 11 * A = 11 * 0 = 0. Define Hypothalamus's Fibroblasts as Y; so Y = B = 13. Define Hypothalamus's Cells as N; d = Y + o = 13 + 0 = 13; so N = d + M = 13 + 4 = 17. Define Ganglia's Fibroblasts as z; y = N + M = 17 + 4 = 21; T = y + Y = 21 + 13 = 11; so z = T + B = 11 + 13 = 1. Define Ganglia's Keratinocytes as n; U = M + Y = 4 + 13 = 17; so n = 7 + U = 7 + 17 = 1. Define Ganglia's Cells as a; so a = z + n = 1 + 1 = 2.

2

hard

The number of each Freshwater Pond's Woodpecker equals the sum of each Arctic Ocean's Woodpecker and each Arctic Ocean's Creatures. The number of each Hydrothermal Vent's Dragonfly equals 11. The number of each Wetland's Peacock equals each Hydrothermal Vent's Dragonfly. The number of each Hydrothermal Vent's Woodpecker equals each Arctic Ocean's Creatures. The number of each Wetland's Woodpecker equals each Freshwater Pond's Woodpecker. The number of each Hydrothermal Vent's Peacock equals 21. The number of each Arctic Ocean's Woodpecker equals each Hydrothermal Vent's Dragonfly. The number of each Wetland's Dragonfly equals 22. The number of each Arctic Ocean's Dragonfly equals each Hydrothermal Vent's Dragonfly. The number of each Freshwater Pond's Peacock equals each Hydrothermal Vent's Woodpecker. How many Creatures does Freshwater Pond have?

Define Hydrothermal Vent's Dragonfly as n; so n = 11. Define Arctic Ocean's Woodpecker as W; so W = n = 11. Define Arctic Ocean's Dragonfly as D; so D = n = 11. Define Arctic Ocean's Creatures as s; so s = D + W = 11 + 11 = 22. Define Hydrothermal Vent's Woodpecker as c; so c = s = 22. Define Freshwater Pond's Peacock as J; so J = c = 22. Define Freshwater Pond's Woodpecker as R; so R = W + s = 11 + 22 = 10. Define Freshwater Pond's Creatures as a; so a = J + R = 22 + 10 = 9.

9

med

The number of each Pigeon Loft's Panda equals each Aviary's Leopard. The number of each Leopard's Caudal Vertebrae 11 equals the difference of each Monte Casino Bird Park's Vulture Valley and each Niagara Falls Aviary's Pigeon Loft. The number of each Niagara Falls Aviary's Pigeon Loft equals 11. The number of each Tracy Aviary's Pigeon Loft equals 11 times as much as each Niagara Falls Aviary's Pigeon Loft. The number of each Pigeon Loft's Lion equals the sum of each Aviary's Animal and each Vulture Valley's Lion. The number of each Tracy Aviary's Aviary equals the sum of each Monte Casino Bird Park's Vulture Valley, each Niagara Falls Aviary's Enclosure and each Niagara Falls Aviary's Pigeon Loft. The number of each Aviary's Leopard equals 11 times as much as the difference of each Leopard's Caudal Vertebrae 11 and each Monte Casino Bird Park's Vulture Valley. The number of each Leopard's Caudal Vertebrae 3 equals 21 times as much as each Tracy Aviary's Enclosure. The number of each Monte Casino Bird Park's Vulture Valley equals 20 more than each Tracy Aviary's Pigeon Loft. The number of each Lion's Caudal Vertebrae 3 equals 10. The number of each Leopard's Caudal Vertebrae 5 equals 4. The number of each Panda's Caudal Vertebrae 3 equals 0. The number of each Vulture Valley's Lion equals 15 times as much as each Leopard's Caudal Vertebrae 5. How many Animal does Aviary have?

Define Niagara Falls Aviary's Pigeon Loft as z; so z = 11. Define Tracy Aviary's Pigeon Loft as U; so U = 11 * z = 11 * 11 = 6. Define Monte Casino Bird Park's Vulture Valley as y; so y = 20 + U = 20 + 6 = 3. Define Leopard's Caudal Vertebrae 11 as X; so X = y - z = 3 - 11 = 15. Define Aviary's Leopard as A; o = X - y = 15 - 3 = 12; so A = 11 * o = 11 * 12 = 17. Define Aviary's Animal as j; so j = A = 17.

17

med

The number of each Lakeshore High's Trigonometry Room equals 4 more than each Toy Backpack's Business Card Holder. The number of each Trigonometry Room's Clear Backpack equals each Lincoln High's Structural Engineering Lab. The number of each Toy Backpack's Business Card Holder equals 5. The number of each Lincoln High's Structural Engineering Lab equals each Lakeshore High's Structural Engineering Lab. The number of each Lakeshore High's Structural Engineering Lab equals the sum of each Clear Backpack's Business Card Holder and each Lakeshore High's Trigonometry Room. The number of each Trigonometry Room's Toy Backpack equals 21 times as much as each Lincoln High's Stationery. The number of each Clear Backpack's Business Card Holder equals each Clear Backpack's Accordion File. The number of each Clear Backpack's Accordion File equals each Lakeshore High's Trigonometry Room. How many Backpack does Trigonometry Room have?

Define Toy Backpack's Business Card Holder as k; so k = 5. Define Lakeshore High's Trigonometry Room as J; so J = 4 + k = 4 + 5 = 9. Define Clear Backpack's Accordion File as t; so t = J = 9. Define Clear Backpack's Business Card Holder as p; so p = t = 9. Define Lakeshore High's Structural Engineering Lab as P; so P = p + J = 9 + 9 = 18. Define Lincoln High's Structural Engineering Lab as v; so v = P = 18. Define Structural Engineering Lab's Stationery as M; so M = 0. Define Lincoln High's Stationery as l; so l = v * M = 18 * 0 = 0. Define Trigonometry Room's Toy Backpack as S; so S = 21 * l = 21 * 0 = 0. Define Trigonometry Room's Clear Backpack as n; so n = v = 18. Define Trigonometry Room's Backpack as Z; so Z = n + S = 18 + 0 = 18.

18

hard

The number of each Python's Metacarpal IV equals the sum of each Turtle Pond's Crocodile, each Frog Bog's Monitor Lizard and each Crocodile Swamp's Animal. The number of each Crocodile's Ulnar Carpal equals the difference of each Turtle's Metacarpal II and each Frog Bog's Crocodile. The number of each Frog Bog's Turtle equals the sum of each Turtle Pond's Crocodile, each Crocodile's Ulnar Carpal and each Crocodile's Bone. The number of each Crocodile Swamp's Python equals 4 times as much as each Turtle's Metacarpal II. The number of each Turtle's Metacarpal II equals 13. The number of each Turtle Pond's Crocodile equals each Frog Bog's Monitor Lizard. The number of each Monitor Lizard's Intermediate Carpal equals each Turtle Pond's Animal. The number of each Frog Bog's Monitor Lizard equals 15. The number of each Frog Bog's Crocodile equals 8. How many Python does Crocodile Swamp have?

Define Turtle's Metacarpal II as R; so R = 13. Define Monitor Lizard's Bone as BACK. Define Crocodile Swamp's Python as r; so r = 4 * R = 4 * 13 = 6.

6

hard

The number of each Tortilla Chips's Pepperoni equals 4 times as much as each Thrive Market's Tortilla Chips. The number of each Industrial District's Deliveroo equals 16. The number of each Manufacturing District's Deliveroo equals the difference of each Gummy Candy's Ingredient and each Automotive District's Thrive Market. The number of each Deliveroo's Chocolate Covered Pretzels equals 14. The number of each Automotive District's Thrive Market equals 9. The number of each Automotive District's Peapod equals each Thrive Market's Tortilla Chips. The number of each Thrive Market's Tortilla Chips equals each Industrial District's Deliveroo. The number of each Gummy Candy's Turkey Breast equals 20 times as much as the sum of each Gummy Candy's Lamb Chop and each Chocolate Covered Pretzels's Ingredient. The number of each Gummy Candy's Lamb Chop equals each Deliveroo's Gummy Candy. The number of each Deliveroo's Gummy Candy equals 6 times as much as each Automotive District's Thrive Market. How many Ingredient does Manufacturing District have?

Define Automotive District's Thrive Market as c; so c = 9. Define Chocolate Covered Pretzels's Ingredient as U; so U = 0. Define Deliveroo's Gummy Candy as p; so p = 6 * c = 6 * 9 = 8. Define Manufacturing District's Deliveroo as BACK. Define Automotive District's Peapod as BACK. Define Gummy Candy's Lamb Chop as r; so r = p = 8. Define Gummy Candy's Turkey Breast as u; J = r + U = 8 + 0 = 8; so u = 20 * J = 20 * 8 = 22. Define Deliveroo's Chocolate Covered Pretzels as x; so x = 14. Define Gummy Candy's Ingredient as w; so w = r + u = 8 + 22 = 7. Define Deliveroo's Ingredient as O; i = p * w = 8 * 7 = 10; C = x * U = 14 * 0 = 0; so O = i + C = 10 + 0 = 10. Define Manufacturing District's Deliveroo as N; so N = w - c = 7 - 9 = 21. Define Manufacturing District's Ingredient as R; so R = N * O = 21 * 10 = 3.

3

hard

The number of each Neuroscience Lab's Overnight Backpack equals 20 times as much as the sum of each Zoology Lab's Compression Backpack and each Neuroscience Lab's Compression Backpack. The number of each Earth Science Lab's Overnight Backpack equals each Compression Backpack's Correction Tape. The number of each Zoology Lab's Compression Backpack equals 12. The number of each Zoology Lab's Backpacking Pack equals each Earth Science Lab's Compression Backpack. The number of each Overnight Backpack's Sticky Tape equals each Compression Backpack's Correction Tape. The number of each Backpacking Pack's Sticky Tape equals 10. The number of each Backpacking Pack's Correction Tape equals 2 more than each Backpacking Pack's Sticky Tape. The number of each Compression Backpack's Sticky Tape equals 3 more than each Backpacking Pack's Stationery. The number of each Neuroscience Lab's Compression Backpack equals 14. The number of each Earth Science Lab's Compression Backpack equals 10 more than each Compression Backpack's Stationery. The number of each Compression Backpack's Sticky Tabs equals 14 times as much as the sum of each Backpacking Pack's Sticky Tape and each Compression Backpack's Correction Tape. The number of each Overnight Backpack's Sticky Tabs equals each Earth Science Lab's Compression Backpack. The number of each Compression Backpack's Correction Tape equals 3. How many Backpack does Earth Science Lab have?

Define Backpacking Pack's Sticky Tape as x; so x = 10. Define Neuroscience Lab's Overnight Backpack as BACK. Define Backpacking Pack's Correction Tape as f; so f = 2 + x = 2 + 10 = 12. Define Backpacking Pack's Stationery as i; so i = f + x = 12 + 10 = 22. Define Compression Backpack's Sticky Tape as E; so E = 3 + i = 3 + 22 = 2. Define Compression Backpack's Correction Tape as k; so k = 3. Define Earth Science Lab's Stationery as BACK. Define Compression Backpack's Sticky Tabs as r; P = x + k = 10 + 3 = 13; so r = 14 * P = 14 * 13 = 21. Define Compression Backpack's Stationery as U; b = k + r = 3 + 21 = 1; so U = b + E = 1 + 2 = 3. Define Earth Science Lab's Compression Backpack as O; so O = 10 + U = 10 + 3 = 13. Define Earth Science Lab's Overnight Backpack as S; so S = k = 3. Define Earth Science Lab's Backpack as t; so t = S + O = 3 + 13 = 16.

16

hard

The number of each The High Line in New York City's Hydra equals 17 more than each Golden Gate Park in San Francisco's Hydra. The number of each Hydra's Hippocampus equals 20. The number of each Hydra's Parietal Lobe equals each Golden Gate Park in San Francisco's Creatures. The number of each Pegasus's Parietal Lobe equals each Hydra's Organs. The number of each The High Line in New York City's Pegasus equals 22. The number of each Golden Gate Park in San Francisco's Hydra equals 20. The number of each Pegasus's Hippocampus equals each Hydra's Parietal Lobe. The number of each Golden Gate Park in San Francisco's Pegasus equals the difference of each The High Line in New York City's Hydra and each Golden Gate Park in San Francisco's Hydra. How many Organs does Hydra have?

Define Golden Gate Park in San Francisco's Hydra as N; so N = 20. Define The High Line in New York City's Hydra as y; so y = 17 + N = 17 + 20 = 14. Define Golden Gate Park in San Francisco's Pegasus as G; so G = y - N = 14 - 20 = 17. Define Golden Gate Park in San Francisco's Creatures as n; so n = G + N = 17 + 20 = 14. Define Hydra's Parietal Lobe as T; so T = n = 14. Define Hydra's Hippocampus as u; so u = 20. Define Hydra's Organs as b; so b = u + T = 20 + 14 = 11.

11

med

The number of each Bearded Dragon's Anal Fin Rays equals each Bearded Dragon's Fin Spines. The number of each Reptile House's Bearded Dragon equals 1 more than each Bronx Zoo's Bone. The number of each Bearded Dragon's Fin Spines equals each Skink's Dorsal Fin Rays. The number of each Skink's Dorsal Fin Rays equals each Crocodile Swamp's Skink. The number of each Crocodile Swamp's Skink equals 18. The number of each Sydney Zoo's Reptile House equals 18. The number of each Bronx Zoo's Newt Nook equals the sum of each Sydney Zoo's Crocodile Swamp and each Bearded Dragon's Anal Fin Rays. The number of each Skink's Pectoral Fin Rays equals 0. The number of each Sydney Zoo's Crocodile Swamp equals each Bearded Dragon's Anal Fin Rays. How many Bearded Dragon does Reptile House have?

Define Crocodile Swamp's Skink as n; so n = 18. Define Skink's Dorsal Fin Rays as A; so A = n = 18. Define Bearded Dragon's Fin Spines as L; so L = A = 18. Define Bearded Dragon's Anal Fin Rays as N; so N = L = 18. Define Sydney Zoo's Crocodile Swamp as K; so K = N = 18. Define Bronx Zoo's Animal as BACK. Define Bronx Zoo's Newt Nook as f; so f = K + N = 18 + 18 = 13. Define Newt Nook's Bone as V; so V = 0. Define Bronx Zoo's Bone as R; so R = f * V = 13 * 0 = 0. Define Reptile House's Bearded Dragon as h; so h = 1 + R = 1 + 0 = 1.

1

hard

The number of each Bottled Water's Beef Steak equals 9. The number of each Carrefour's Juices equals 9. The number of each Bottled Water's Chicken Wing equals 21. The number of each Sam's Club's Juices equals 16. The number of each Sam's Club's Bottled Water equals 12. How many Ingredient does Bottled Water have?

Define Bottled Water's Beef Steak as T; so T = 9. Define Sam's Club's Ingredient as BACK. Define Bottled Water's Chicken Wing as G; so G = 21. Define Bottled Water's Ingredient as Z; so Z = T + G = 9 + 21 = 7.

7

med

The number of each Duffle Backpack's Box File equals 10. The number of each Expedition Pack's Clip Board equals each Weekender Backpack's Ring Binder. The number of each Inorganic Chemistry Lab's Expedition Pack equals the sum of each Expedition Pack's Clip Board and each Physics Lab's Duffle Backpack. The number of each Biology Lab's Weekender Backpack equals 3 more than each Duffle Backpack's Stationery. The number of each Physics Lab's Duffle Backpack equals each Biology Lab's Backpack. The number of each Weekender Backpack's Ring Binder equals each Physics Lab's Duffle Backpack. The number of each Inorganic Chemistry Lab's Ultralight Backpack equals 9. How many Expedition Pack does Inorganic Chemistry Lab have?

Define Duffle Backpack's Box File as m; so m = 10. Define Duffle Backpack's Stationery as f; so f = m = 10. Define Biology Lab's Weekender Backpack as b; so b = 3 + f = 3 + 10 = 13. Define Biology Lab's Backpack as p; so p = b = 13. Define Physics Lab's Duffle Backpack as w; so w = p = 13. Define Weekender Backpack's Ring Binder as u; so u = w = 13. Define Expedition Pack's Clip Board as Y; so Y = u = 13. Define Inorganic Chemistry Lab's Expedition Pack as j; so j = Y + w = 13 + 13 = 3.

3

hard

The number of each Salamander Stream's Crow equals 7 times as much as each Crow's Distal Phalanges. The number of each Crow's Distal Phalanges equals 16. The number of each Gecko Greenhouse's Flamingo equals 22 times as much as the difference of each Salamander Stream's Flamingo and each Flamingo's Pastern Bone. The number of each Flamingo's Distal Phalanges equals each Salamander Stream's Flamingo. The number of each Flamingo's Pastern Bone equals each Crow's Distal Phalanges. The number of each Crow's Pastern Bone equals 4 more than each Salamander Stream's Crow. The number of each Gecko Greenhouse's Crow equals 11 more than each Salamander Stream's Crow. The number of each Salamander Stream's Flamingo equals 19. How many Distal Phalanges does Flamingo have?

Define Salamander Stream's Crow as BACK. Define Flamingo's Pastern Bone as BACK. Define Crow's Bone as BACK. Define Salamander Stream's Flamingo as L; so L = 19. Define Flamingo's Distal Phalanges as E; so E = L = 19.

19

hard

The number of each Sweat-Resistant Backpack's Sketchbook equals each Anatomy Lab's Hydration Backpack. The number of each Sweat-Resistant Backpack's Notebook equals 8. The number of each Hydration Backpack's Index Cards equals 8 more than the sum of each Anatomy Lab's Sweat-Resistant Backpack, each Zoology Lab's Training Daypack and each Training Daypack's Sketchbook. The number of each Training Daypack's Journal equals each Zoology Lab's Backpack. The number of each Anatomy Lab's Hydration Backpack equals 11. The number of each Hydration Backpack's Journal equals 5 times as much as the sum of each Zoology Lab's Sweat-Resistant Backpack and each Sweat-Resistant Backpack's Journal. The number of each Training Daypack's Index Cards equals 5 times as much as each Training Daypack's Sketchbook. The number of each Sweat-Resistant Backpack's Index Cards equals each Training Daypack's Stationery. The number of each Training Daypack's Sketchbook equals each Zoology Lab's Training Daypack. The number of each Zoology Lab's Training Daypack equals each Zoology Lab's Sweat-Resistant Backpack. The number of each Hydration Backpack's Sketchbook equals each Sweat-Resistant Backpack's Sketchbook. The number of each Anatomy Lab's Sweat-Resistant Backpack equals each Sweat-Resistant Backpack's Journal. The number of each Sweat-Resistant Backpack's Journal equals 1. The number of each Zoology Lab's Sweat-Resistant Backpack equals 14 more than each Sweat-Resistant Backpack's Journal. How many Index Cards does Sweat-Resistant Backpack have?

Define Sweat-Resistant Backpack's Journal as B; so B = 1. Define Zoology Lab's Sweat-Resistant Backpack as r; so r = 14 + B = 14 + 1 = 15. Define Zoology Lab's Training Daypack as m; so m = r = 15. Define Anatomy Lab's Stationery as BACK. Define Zoology Lab's Backpack as z; so z = m + r = 15 + 15 = 7. Define Training Daypack's Journal as b; so b = z = 7. Define Training Daypack's Sketchbook as c; so c = m = 15. Define Training Daypack's Index Cards as P; so P = 5 * c = 5 * 15 = 6. Define Training Daypack's Stationery as N; R = b + P = 7 + 6 = 13; so N = R + c = 13 + 15 = 5. Define Sweat-Resistant Backpack's Index Cards as y; so y = N = 5.

5

hard

The number of each Energy Drinks's Lemon equals each Lidl's Kombucha. The number of each Kombucha's Avocado equals 13. The number of each Lidl's Energy Drinks equals the difference of each Dollar General's Kombucha and each Lidl's Almond Milk. The number of each Energy Drinks's Avocado equals each Fiesta Foods's Almond Milk. The number of each Lidl's Kombucha equals 5 times as much as each Kombucha's Ingredient. The number of each Fiesta Foods's Energy Drinks equals each Kombucha's Avocado. The number of each Kombucha's Pomegranate equals each Fiesta Foods's Almond Milk. The number of each Dollar General's Kombucha equals each Lidl's Almond Milk. The number of each Fiesta Foods's Almond Milk equals 10. The number of each Lidl's Almond Milk equals 12. The number of each Almond Milk's Avocado equals 2 more than each Lidl's Kombucha. The number of each Almond Milk's Pomegranate equals the difference of each Dollar General's Kombucha and each Lidl's Almond Milk. How many Ingredient does Kombucha have?

Define Fiesta Foods's Almond Milk as X; so X = 10. Define Kombucha's Pomegranate as I; so I = X = 10. Define Kombucha's Avocado as p; so p = 13. Define Kombucha's Ingredient as G; so G = I + p = 10 + 13 = 0.

0

med

The number of each Meerkat Manor's Fire Salamander equals 4 times as much as the sum of each Giraffe Enclosure's Animal, each Otter Pool's Mudskipper and each Otter Pool's Animal. The number of each Giraffe Enclosure's Toad equals 5 times as much as each Otter Pool's Animal. The number of each Otter Pool's Mudskipper equals 17 more than each Otter Pool's Fire Salamander. The number of each Giraffe Enclosure's Mudskipper equals each Meerkat Manor's Mudskipper. The number of each Otter Pool's Fire Salamander equals 17. The number of each Meerkat Manor's Toad equals 2. The number of each Otter Pool's Toad equals each Otter Pool's Fire Salamander. The number of each Meerkat Manor's Mudskipper equals 4. The number of each Giraffe Enclosure's Fire Salamander equals 7 times as much as the sum of each Meerkat Manor's Mudskipper and each Giraffe Enclosure's Mudskipper. How many Toad does Giraffe Enclosure have?

Define Otter Pool's Fire Salamander as D; so D = 17. Define Otter Pool's Mudskipper as d; so d = 17 + D = 17 + 17 = 11. Define Otter Pool's Toad as Z; so Z = D = 17. Define Otter Pool's Animal as C; F = d + Z = 11 + 17 = 5; so C = F + D = 5 + 17 = 22. Define Giraffe Enclosure's Toad as N; so N = 5 * C = 5 * 22 = 18.

18

hard

The number of each Liberty High's Anatomy Lab equals 8 more than the sum of each Central High's Anatomy Lab and each Drone Backpack's Correction Tape. The number of each Zoology Lab's Drone Backpack equals 22 more than each Liberty High's Stationery. The number of each Drone Backpack's Correction Fluid equals 1. The number of each Drone Backpack's Correction Tape equals 14. The number of each Modular Backpack's Correction Fluid equals the sum of each Central High's Zoology Lab and each Drone Backpack's Correction Fluid. The number of each Zoology Lab's Modular Backpack equals 20 times as much as each Liberty High's Anatomy Lab. The number of each Central High's Anatomy Lab equals each Drone Backpack's Correction Tape. The number of each Central High's Zoology Lab equals 5 more than each Drone Backpack's Correction Fluid. The number of each Modular Backpack's Correction Tape equals the sum of each Anatomy Lab's Stationery, each Liberty High's Classroom and each Liberty High's Stationery. How many Stationery does Liberty High have?

Define Drone Backpack's Correction Tape as m; so m = 14. Define Central High's Anatomy Lab as o; so o = m = 14. Define Liberty High's Anatomy Lab as Y; a = o + m = 14 + 14 = 5; so Y = 8 + a = 8 + 5 = 13. Define Liberty High's Backpack as BACK. Define Anatomy Lab's Stationery as G; so G = 0. Define Liberty High's Stationery as x; so x = Y * G = 13 * 0 = 0.

0

hard

The number of each Brie Cheese's Strawberry equals 4 more than each Blue Cheese's Lime. The number of each Yogurt's Lime equals each Brie Cheese's Strawberry. The number of each Morrisons's Blue Cheese equals 15 more than the sum of each Giant Eagle's Brie Cheese, each Morrisons's Yogurt and each Waitrose's Ingredient. The number of each Brie Cheese's Lime equals each Morrisons's Product. The number of each Giant Eagle's Brie Cheese equals 12 more than each Waitrose's Ingredient. The number of each Blue Cheese's Lime equals 8. The number of each Blue Cheese's Orange equals the difference of each Giant Eagle's Yogurt and each Yogurt's Strawberry. The number of each Giant Eagle's Yogurt equals each Yogurt's Strawberry. The number of each Yogurt's Strawberry equals 11. The number of each Morrisons's Brie Cheese equals each Giant Eagle's Brie Cheese. The number of each Morrisons's Yogurt equals 13 more than the sum of each Waitrose's Ingredient, each Giant Eagle's Brie Cheese and each Morrisons's Brie Cheese. How many Product does Morrisons have?

Define Waitrose's Ingredient as o; so o = 0. Define Giant Eagle's Brie Cheese as g; so g = 12 + o = 12 + 0 = 12. Define Morrisons's Brie Cheese as I; so I = g = 12. Define Morrisons's Yogurt as p; Z = o + g = 0 + 12 = 12; R = Z + I = 12 + 12 = 1; so p = 13 + R = 13 + 1 = 14. Define Morrisons's Blue Cheese as h; v = g + p = 12 + 14 = 3; F = v + o = 3 + 0 = 3; so h = 15 + F = 15 + 3 = 18. Define Morrisons's Product as U; d = I + h = 12 + 18 = 7; so U = d + p = 7 + 14 = 21.

21

hard

The number of each Hummingbird's Rectum equals 17 more than each Hummingbird's Cardia. The number of each Hummingbird's Cardia equals 2. The number of each Karakum Desert's Hummingbird equals 5 more than each Condor's Rectum. The number of each Sonoran Desert's Condor equals the sum of each Condor's Rectum, each Karakum Desert's Condor and each Karakum Desert's Hummingbird. The number of each Karakum Desert's Condor equals 14 times as much as each Condor's Rectum. The number of each Condor's Rectum equals 8. The number of each Condor's Cardia equals 7. The number of each Sonoran Desert's Hummingbird equals 13 times as much as each Karakum Desert's Hummingbird. How many Creatures does Karakum Desert have?

Define Condor's Rectum as M; so M = 8. Define Karakum Desert's Hummingbird as Z; so Z = 5 + M = 5 + 8 = 13. Define Karakum Desert's Condor as P; so P = 14 * M = 14 * 8 = 20. Define Karakum Desert's Creatures as l; so l = Z + P = 13 + 20 = 10.

10

med

The number of each Coffee's Basil equals 10. The number of each Buford Highway Farmers Market's Oat Milk equals 10 more than each Colonial District's Buford Highway Farmers Market. The number of each Protein Shakes's Coriander equals 14. The number of each Buford Highway Farmers Market's Protein Shakes equals 13 more than each Coffee's Nutmeg. The number of each Colonial District's Uwajimaya equals each Uwajimaya's Product. The number of each Coffee's Nutmeg equals each Old Town's Asia Supermarket. The number of each Colonial District's Buford Highway Farmers Market equals 6. The number of each Old Town's Asia Supermarket equals 15 more than each Colonial District's Buford Highway Farmers Market. The number of each Buford Highway Farmers Market's Coffee equals each Old Town's Asia Supermarket. How many Product does Buford Highway Farmers Market have?

Define Colonial District's Buford Highway Farmers Market as C; so C = 6. Define Old Town's Asia Supermarket as B; so B = 15 + C = 15 + 6 = 21. Define Buford Highway Farmers Market's Coffee as z; so z = B = 21. Define Coffee's Nutmeg as j; so j = B = 21. Define Buford Highway Farmers Market's Protein Shakes as X; so X = 13 + j = 13 + 21 = 11. Define Buford Highway Farmers Market's Oat Milk as V; so V = 10 + C = 10 + 6 = 16. Define Buford Highway Farmers Market's Ingredient as BACK. Define Buford Highway Farmers Market's Product as N; I = z + X = 21 + 11 = 9; so N = I + V = 9 + 16 = 2.

2

med

The number of each Geography Classroom's Bookbag equals 17. The number of each Bookbag's Acrylic Paint equals 13 times as much as each Rolling Backpack's Watercolor Paint. The number of each Visual Arts Studio's Sturdy Backpack equals 1. The number of each Film Studio's Sturdy Backpack equals each Visual Arts Studio's Multi-Pocket Backpack. The number of each Multi-Pocket Backpack's Gouache equals each Anthropology Classroom's Backpack. The number of each Rolling Backpack's Watercolor Paint equals the difference of each Visual Arts Studio's Backpack and each Visual Arts Studio's Multi-Pocket Backpack. The number of each Visual Arts Studio's Multi-Pocket Backpack equals 17 times as much as each Visual Arts Studio's Sturdy Backpack. The number of each Bookbag's Palette equals 9 times as much as each Geography Classroom's Bookbag. The number of each Anthropology Classroom's Rolling Backpack equals each Sturdy Backpack's Stationery. The number of each Film Studio's Rolling Backpack equals 1 times as much as the difference of each Visual Arts Studio's Backpack and each Visual Arts Studio's Multi-Pocket Backpack. How many Stationery does Film Studio have?

Define Visual Arts Studio's Sturdy Backpack as N; so N = 1. Define Visual Arts Studio's Multi-Pocket Backpack as v; so v = 17 * N = 17 * 1 = 17. Define Visual Arts Studio's Backpack as C; so C = v + N = 17 + 1 = 18. Define Rolling Backpack's Watercolor Paint as T; so T = C - v = 18 - 17 = 1. Define Film Studio's Sturdy Backpack as b; so b = v = 17. Define Film Studio's Rolling Backpack as H; p = C - v = 18 - 17 = 1; so H = 1 * p = 1 * 1 = 1. Define Rolling Backpack's Stationery as o; so o = T = 1. Define Sturdy Backpack's Stationery as x; so x = 0. Define Film Studio's Stationery as W; I = H * o = 1 * 1 = 1; A = b * x = 17 * 0 = 0; so W = I + A = 1 + 0 = 1.

1

med

The number of each Theater Arts Classroom's Weekender Backpack equals 3 times as much as each Theater Arts Classroom's Ultralight Backpack. The number of each Ultralight Backpack's Colored Pencil equals the difference of each Weekender Backpack's Stationery and each Theater Arts Classroom's Ultralight Backpack. The number of each Theater Arts Classroom's Ultralight Backpack equals 9. The number of each WebWorld Institute's Visual Arts Studio equals 13 more than the sum of each EduLink Online's Backpack and each Theater Arts Classroom's Ultralight Backpack. The number of each EduLink Online's Theater Arts Classroom equals each Theater Arts Classroom's Ultralight Backpack. The number of each Weekender Backpack's Rollerball Pen equals each EduLink Online's Backpack. How many Colored Pencil does Ultralight Backpack have?

Define Theater Arts Classroom's Ultralight Backpack as F; so F = 9. Define EduLink Online's Theater Arts Classroom as g; so g = F = 9. Define Theater Arts Classroom's Weekender Backpack as m; so m = 3 * F = 3 * 9 = 4. Define Theater Arts Classroom's Backpack as L; so L = m + F = 4 + 9 = 13. Define EduLink Online's Backpack as S; so S = g * L = 9 * 13 = 2. Define Weekender Backpack's Rollerball Pen as A; so A = S = 2. Define Weekender Backpack's Stationery as K; so K = A = 2. Define Ultralight Backpack's Colored Pencil as O; so O = K - F = 2 - 9 = 16.

16

hard

The number of each Military District's Natural Grocers equals 14. The number of each Consulate District's Sprouts Farmers Market equals 10. The number of each Capitol District's PCC Community Markets equals each Police District's Supermarket. The number of each Capitol District's Jimbo's Naturally equals 5. How many Supermarket does Consulate District have?

Define Military District's Supermarket as BACK. Define Consulate District's Sprouts Farmers Market as M; so M = 10. Define Consulate District's Supermarket as n; so n = M = 10.

10

med

The number of each Gardens by the Bay in Singapore's Wolf equals the sum of each Wolf's Aorta, each Stanley Park in Vancouver's Hippopotamus and each Grizzly Bear's Aorta. The number of each Hippopotamus's Aorta equals 10. The number of each Wolf's Pericardium equals the difference of each Stanley Park in Vancouver's Hippopotamus and each Grizzly Bear's Pericardium. The number of each Gardens by the Bay in Singapore's Grizzly Bear equals 3. The number of each Stanley Park in Vancouver's Grizzly Bear equals the difference of each Millennium Park in Chicago's Grizzly Bear and each Grizzly Bear's Vena Cava. The number of each Stanley Park in Vancouver's Hippopotamus equals the difference of each Grizzly Bear's Organs and each Grizzly Bear's Vena Cava. The number of each Millennium Park in Chicago's Hippopotamus equals the sum of each Grizzly Bear's Organs, each Millennium Park in Chicago's Grizzly Bear and each Grizzly Bear's Vena Cava. The number of each Wolf's Aorta equals 2. The number of each Grizzly Bear's Aorta equals 13 more than each Millennium Park in Chicago's Grizzly Bear. The number of each Gardens by the Bay in Singapore's Hippopotamus equals 12. The number of each Millennium Park in Chicago's Grizzly Bear equals 5. The number of each Hippopotamus's Vena Cava equals 7. The number of each Hippopotamus's Pericardium equals each Millennium Park in Chicago's Creatures. The number of each Stanley Park in Vancouver's Wolf equals each Gardens by the Bay in Singapore's Hippopotamus. The number of each Grizzly Bear's Pericardium equals 4 more than each Grizzly Bear's Aorta. The number of each Grizzly Bear's Vena Cava equals 18 times as much as each Wolf's Aorta. How many Hippopotamus does Stanley Park in Vancouver have?

Define Millennium Park in Chicago's Grizzly Bear as f; so f = 5. Define Grizzly Bear's Aorta as a; so a = 13 + f = 13 + 5 = 18. Define Wolf's Aorta as r; so r = 2. Define Grizzly Bear's Vena Cava as b; so b = 18 * r = 18 * 2 = 13. Define Grizzly Bear's Pericardium as E; so E = 4 + a = 4 + 18 = 22. Define Grizzly Bear's Organs as I; o = a + b = 18 + 13 = 8; so I = o + E = 8 + 22 = 7. Define Stanley Park in Vancouver's Hippopotamus as A; so A = I - b = 7 - 13 = 17.

17

med

The number of each Vocational School District's Fiesta Mart equals the sum of each Pretzels's Beef and each Fiesta Mart's Pretzels. The number of each Research District's New Grand Mart equals 9. The number of each Research District's Fiesta Mart equals 3. The number of each Vocational School District's New Grand Mart equals 5 more than the sum of each Fiesta Mart's Pretzels and each Fiesta Mart's Product. The number of each Pretzels's Venison equals each Research District's H Mart. The number of each Chocolate Covered Pretzels's Sausage equals 22. The number of each Fiesta Mart's Pretzels equals 14. The number of each H Mart's Pretzels equals 7 more than each Research District's New Grand Mart. The number of each New Grand Mart's Chocolate Covered Pretzels equals 8. The number of each Popcorn's Venison equals 10. The number of each Pretzels's Chicken Wing equals the sum of each Vocational School District's Product, each New Grand Mart's Product, each New Grand Mart's Popcorn and each Pretzels's Beef. The number of each New Grand Mart's Popcorn equals 5. The number of each Research District's H Mart equals 0 more than each Vocational School District's Product. The number of each Pretzels's Beef equals 11 times as much as each Fiesta Mart's Pretzels. How many Venison does Pretzels have?

Define Fiesta Mart's Pretzels as M; so M = 14. Define Fiesta Mart's Product as a; so a = M = 14. Define Vocational School District's New Grand Mart as n; C = M + a = 14 + 14 = 5; so n = 5 + C = 5 + 5 = 10. Define Pretzels's Beef as P; so P = 11 * M = 11 * 14 = 16. Define Vocational School District's Fiesta Mart as g; so g = P + M = 16 + 14 = 7. Define New Grand Mart's Popcorn as y; so y = 5. Define New Grand Mart's Chocolate Covered Pretzels as D; so D = 8. Define New Grand Mart's Product as N; so N = D + y = 8 + 5 = 13. Define Vocational School District's Product as u; U = g * a = 7 * 14 = 6; x = n * N = 10 * 13 = 15; so u = U + x = 6 + 15 = 21. Define Research District's H Mart as W; so W = 0 + u = 0 + 21 = 21. Define Pretzels's Venison as c; so c = W = 21.

21

hard

The number of each Publix's Nuts equals 19. The number of each BJ's Wholesale Club's Nuts equals 9 times as much as each Publix's Nuts. The number of each Nuts's Oats equals 15. The number of each Nuts's Millet equals 18 times as much as each BJ's Wholesale Club's Nuts. The number of each Publix's Chocolate Covered Pretzels equals each Nuts's Millet. How many Oats does Nuts have?

Define Nuts's Oats as D; so D = 15.

15

med

The number of each Art Deco District's MOM's Organic Market equals 10 more than each Old Harbor's Dean's Natural Food Market. The number of each Dean's Natural Food Market's Tea equals 16 times as much as the difference of each Sprouts Farmers Market's Tea and each Renaissance District's Supermarket. The number of each Sprouts Farmers Market's Milk equals each Dean's Natural Food Market's Milk. The number of each MOM's Organic Market's Bottled Water equals the sum of each Art Deco District's Sprouts Farmers Market, each BriarPatch Food Co-op's Bottled Water and each Old Harbor's Dean's Natural Food Market. The number of each Sprouts Farmers Market's Tea equals the sum of each Renaissance District's Sprouts Farmers Market and each MOM's Organic Market's Tea. The number of each Renaissance District's Sprouts Farmers Market equals each MOM's Organic Market's Tea. The number of each Sprouts Farmers Market's Protein Shakes equals 3. The number of each BriarPatch Food Co-op's Milk equals the sum of each BriarPatch Food Co-op's Bottled Water, each Art Deco District's MOM's Organic Market and each Old Harbor's Dean's Natural Food Market. The number of each Renaissance District's Dean's Natural Food Market equals 8 more than each BriarPatch Food Co-op's Bottled Water. The number of each MOM's Organic Market's Milk equals each Art Deco District's Sprouts Farmers Market. The number of each BriarPatch Food Co-op's Bottled Water equals 14 times as much as the difference of each Old Harbor's Dean's Natural Food Market and each Art Deco District's Sprouts Farmers Market. The number of each Renaissance District's BriarPatch Food Co-op equals the difference of each MOM's Organic Market's Tea and each Sprouts Farmers Market's Milk. The number of each BriarPatch Food Co-op's Tea equals the difference of each MOM's Organic Market's Bottled Water and each BriarPatch Food Co-op's Bottled Water. The number of each Old Harbor's Dean's Natural Food Market equals 0. The number of each Old Harbor's BriarPatch Food Co-op equals the sum of each MOM's Organic Market's Bottled Water and each Renaissance District's Dean's Natural Food Market. The number of each Quarters's Sprouts Farmers Market equals each Renaissance District's Supermarket. The number of each BriarPatch Food Co-op's Protein Shakes equals 16. The number of each Old Harbor's MOM's Organic Market equals 10 more than each Renaissance District's Sprouts Farmers Market. The number of each MOM's Organic Market's Tea equals 15. The number of each Dean's Natural Food Market's Milk equals 8 more than each Renaissance District's Sprouts Farmers Market. The number of each Art Deco District's Sprouts Farmers Market equals 17 more than each Old Harbor's Dean's Natural Food Market. The number of each Dean's Natural Food Market's Protein Shakes equals the sum of each BriarPatch Food Co-op's Bottled Water, each Renaissance District's Dean's Natural Food Market, each Old Harbor's BriarPatch Food Co-op and each Sprouts Farmers Market's Protein Shakes. How many Product does Sprouts Farmers Market have?

Define MOM's Organic Market's Tea as P; so P = 15. Define Renaissance District's Sprouts Farmers Market as c; so c = P = 15. Define Dean's Natural Food Market's Milk as G; so G = 8 + c = 8 + 15 = 0. Define Sprouts Farmers Market's Milk as K; so K = G = 0. Define Sprouts Farmers Market's Tea as r; so r = c + P = 15 + 15 = 7. Define Sprouts Farmers Market's Protein Shakes as f; so f = 3. Define BriarPatch Food Co-op's Tea as BACK. Define Sprouts Farmers Market's Product as m; D = K + r = 0 + 7 = 7; so m = D + f = 7 + 3 = 10.

10

hard

The number of each Public Administration Classroom's Organizer Work Backpack equals 9 more than each Behavioral Science Lab's Organizer Work Backpack. The number of each Public Relations Studio's Business Daypack equals 20. The number of each Public Relations Studio's Expandable Backpack equals each Behavioral Science Lab's Organizer Work Backpack. The number of each Public Relations Studio's Organizer Work Backpack equals 13 more than each Public Relations Studio's Business Daypack. The number of each Behavioral Science Lab's Expandable Backpack equals 12 more than each Public Relations Studio's Organizer Work Backpack. The number of each Public Administration Classroom's Expandable Backpack equals each Public Administration Classroom's Business Daypack. The number of each Behavioral Science Lab's Organizer Work Backpack equals 9. The number of each Public Administration Classroom's Business Daypack equals 11. The number of each Behavioral Science Lab's Business Daypack equals 13 more than the sum of each Public Relations Studio's Business Daypack, each Public Relations Studio's Organizer Work Backpack and each Behavioral Science Lab's Expandable Backpack. How many Business Daypack does Public Administration Classroom have?

Define Public Relations Studio's Organizer Work Backpack as BACK. Define Public Administration Classroom's Business Daypack as f; so f = 11.

11

hard

The number of each North Star University's Materials Science Lab equals each Materials Science Lab's Backpack. The number of each Hydration Backpack's Push Pins equals 14 more than each Linear Algebra Room's Swimming Backpack. The number of each North Star University's Linear Algebra Room equals 3. The number of each Civil Engineering Lab's Hydration Backpack equals 6. The number of each Hydration Backpack's Rubber Band equals 20. The number of each Linear Algebra Room's Ventilated Backpack equals 12 times as much as the sum of each Harbortown University's Classroom, each Civil Engineering Lab's Backpack and each Civil Engineering Lab's Hydration Backpack. The number of each Linear Algebra Room's Swimming Backpack equals 8. The number of each Ventilated Backpack's Label Maker equals 2 times as much as the sum of each Harbortown University's Classroom, each Meadowland University's Classroom and each Meadowland University's Stationery. The number of each Linear Algebra Room's Hydration Backpack equals 6. The number of each Materials Science Lab's Hydration Backpack equals 7 times as much as each Ventilated Backpack's Stationery. The number of each Harbortown University's Civil Engineering Lab equals 22 times as much as each Civil Engineering Lab's Backpack. The number of each Hydration Backpack's Label Maker equals the sum of each Swimming Backpack's Stationery, each Swimming Backpack's Rubber Band, each Ventilated Backpack's Label Maker and each Harbortown University's Civil Engineering Lab. The number of each Swimming Backpack's Rubber Band equals 20. How many Ventilated Backpack does Linear Algebra Room have?

Define Materials Science Lab's Stationery as BACK. Define Harbortown University's Stationery as BACK. Define Civil Engineering Lab's Hydration Backpack as n; so n = 6. Define Civil Engineering Lab's Backpack as T; so T = n = 6. Define Harbortown University's Civil Engineering Lab as y; so y = 22 * T = 22 * 6 = 17. Define Harbortown University's Classroom as V; so V = y = 17. Define Linear Algebra Room's Ventilated Backpack as z; H = V + T = 17 + 6 = 0; B = H + n = 0 + 6 = 6; so z = 12 * B = 12 * 6 = 3.

3

med

The number of each Visual Arts Studio's Padded Backpack equals the sum of each Padded Backpack's Legal Pad and each Metropolis Community College's Language Classroom. The number of each Sling Backpack's Sketchbook equals 4. The number of each Westland College's Visual Arts Studio equals each Visual Arts Studio's Sling Backpack. The number of each Fashion Design Studio's Sling Backpack equals 13 more than each Sling Backpack's Notebook. The number of each Visual Arts Studio's Anti-Theft Backpack equals each Language Classroom's Sling Backpack. The number of each Westland College's Fashion Design Studio equals 13 more than the sum of each Westland College's Visual Arts Studio and each Visual Arts Studio's Sling Backpack. The number of each Metropolis Community College's Visual Arts Studio equals each Metropolis Community College's Language Classroom. The number of each Visual Arts Studio's Sling Backpack equals 19. The number of each Sling Backpack's Notebook equals 12. The number of each Language Classroom's Sling Backpack equals 0. The number of each Padded Backpack's Legal Pad equals each Metropolis Community College's Classroom. The number of each Metropolis Community College's Language Classroom equals the sum of each Westland College's Fashion Design Studio, each Westland College's Visual Arts Studio and each Visual Arts Studio's Sling Backpack. The number of each Language Classroom's Padded Backpack equals 16. How many Legal Pad does Padded Backpack have?

Define Visual Arts Studio's Sling Backpack as q; so q = 19. Define Westland College's Visual Arts Studio as x; so x = q = 19. Define Westland College's Fashion Design Studio as I; r = x + q = 19 + 19 = 15; so I = 13 + r = 13 + 15 = 5. Define Metropolis Community College's Language Classroom as G; Z = I + x = 5 + 19 = 1; so G = Z + q = 1 + 19 = 20. Define Metropolis Community College's Visual Arts Studio as K; so K = G = 20. Define Metropolis Community College's Classroom as e; so e = G + K = 20 + 20 = 17. Define Fashion Design Studio's Sling Backpack as BACK. Define Padded Backpack's Legal Pad as c; so c = e = 17.

17

med

The number of each Gallbladder's Basal Cells equals 17. The number of each Subtropical Grassland's Wolf equals the sum of each Rhinoceros's Ileum and each Subtropical Grassland's Armadillo. The number of each Wolf's Gallbladder equals 13. The number of each Gallbladder's Endothelial Cells equals 7 more than the sum of each Wolf's Ileum and each Tropical Grassland's Creatures. The number of each Wolf's Ileum equals the sum of each Lowland Grassland's Organs, each Lowland Grassland's Cells and each Tropical Grassland's Organs. The number of each Subtropical Grassland's Rhinoceros equals 20 times as much as each Gallbladder's Basal Cells. The number of each Subtropical Grassland's Armadillo equals 10. The number of each Armadillo's Rectum equals 22. The number of each Rhinoceros's Ileum equals 2 more than the difference of each Gallbladder's Basal Cells and each Subtropical Grassland's Rhinoceros. The number of each Wolf's Rectum equals 13 times as much as each Armadillo's Rectum. The number of each Rectum's Intestinal Absorptive Cells equals 18 times as much as the difference of each Wolf's Rectum and each Armadillo's Rectum. How many Intestinal Absorptive Cells does Rectum have?

Define Armadillo's Rectum as q; so q = 22. Define Wolf's Rectum as P; so P = 13 * q = 13 * 22 = 10. Define Rectum's Intestinal Absorptive Cells as y; N = P - q = 10 - 22 = 11; so y = 18 * N = 18 * 11 = 14.

14

med

The number of each Skyview University's Environmental Science Lab equals each Skyview University's Astronomy Lab. The number of each Westbrook University's Environmental Science Lab equals 17. The number of each Eastwood University's Environmental Science Lab equals 19 more than each Skyview University's Chemistry Lab. The number of each Eastwood University's Chemistry Lab equals the sum of each Westbrook University's Chemistry Lab, each Skyview University's Classroom, each Westbrook University's Astronomy Lab and each Eastwood University's Astronomy Lab. The number of each Skyview University's Astronomy Lab equals 2. The number of each Westbrook University's Astronomy Lab equals 8 times as much as each Westbrook University's Environmental Science Lab. The number of each Eastwood University's Astronomy Lab equals 20 times as much as the sum of each Skyview University's Classroom and each Skyview University's Environmental Science Lab. The number of each Skyview University's Chemistry Lab equals each Skyview University's Astronomy Lab. The number of each Westbrook University's Chemistry Lab equals 20 times as much as the sum of each Westbrook University's Environmental Science Lab and each Westbrook University's Astronomy Lab. How many Classroom does Skyview University have?

Define Skyview University's Astronomy Lab as h; so h = 2. Define Skyview University's Chemistry Lab as D; so D = h = 2. Define Skyview University's Environmental Science Lab as w; so w = h = 2. Define Skyview University's Classroom as a; l = h + D = 2 + 2 = 4; so a = l + w = 4 + 2 = 6.

6

hard

The number of each Flamingo's Metacarpal IV equals 5 more than the sum of each Hawk's Metacarpal IV, each Hawk's Intermediate Carpal and each Owl's Intermediate Carpal. The number of each Hawk's Metacarpal IV equals each Owl's Intermediate Carpal. The number of each Ripley's Aquarium of Canada's Bat Cave equals the sum of each Hippopotamus Tank's Animal and each Hippopotamus Tank's Flamingo. The number of each Seattle Aquarium's Bat Cave equals the sum of each Owl's Distal Phalanx, each Hawk's Distal Phalanx, each Flamingo's Distal Phalanx and each Hawk's Intermediate Carpal. The number of each Ripley's Aquarium of Canada's Hippopotamus Tank equals the sum of each Hawk's Metacarpal IV and each Hippopotamus Tank's Hawk. The number of each Flamingo's Intermediate Carpal equals 19. The number of each Hawk's Distal Phalanx equals 5 more than the difference of each Flamingo's Intermediate Carpal and each Seattle Aquarium's Hippopotamus Tank. The number of each Okinawa Churaumi Aquarium's Hippopotamus Tank equals 9 times as much as each Hippopotamus Tank's Owl. The number of each Hippopotamus Tank's Owl equals the sum of each Hawk's Metacarpal IV, each Owl's Metacarpal IV and each Hippopotamus Tank's Flamingo. The number of each Bat Cave's Flamingo equals the difference of each Ripley's Aquarium of Canada's Enclosure and each Hippopotamus Tank's Owl. The number of each Okinawa Churaumi Aquarium's Bat Cave equals the sum of each Ripley's Aquarium of Canada's Bat Cave and each Flamingo's Intermediate Carpal. The number of each Owl's Distal Phalanx equals 19. The number of each Flamingo's Distal Phalanx equals each Flamingo's Intermediate Carpal. The number of each Bat Cave's Owl equals the sum of each Okinawa Churaumi Aquarium's Bat Cave, each Ripley's Aquarium of Canada's Bat Cave, each Okinawa Churaumi Aquarium's Enclosure and each Hippopotamus Tank's Flamingo. The number of each Seattle Aquarium's Hippopotamus Tank equals 8 times as much as each Flamingo's Intermediate Carpal. The number of each Hippopotamus Tank's Hawk equals 12 times as much as the sum of each Hippopotamus Tank's Flamingo and each Owl's Metacarpal IV. The number of each Owl's Metacarpal IV equals 13 more than each Hawk's Metacarpal IV. The number of each Owl's Intermediate Carpal equals 9. The number of each Hippopotamus Tank's Flamingo equals 13 more than each Owl's Metacarpal IV. The number of each Bat Cave's Hawk equals 6 times as much as the difference of each Bat Cave's Flamingo and each Hawk's Metacarpal IV. The number of each Hawk's Intermediate Carpal equals each Hawk's Distal Phalanx. How many Flamingo does Bat Cave have?

Define Okinawa Churaumi Aquarium's Animal as BACK. Define Owl's Intermediate Carpal as d; so d = 9. Define Hawk's Metacarpal IV as h; so h = d = 9. Define Owl's Metacarpal IV as l; so l = 13 + h = 13 + 9 = 22. Define Hippopotamus Tank's Flamingo as L; so L = 13 + l = 13 + 22 = 12. Define Hippopotamus Tank's Owl as z; o = h + l = 9 + 22 = 8; so z = o + L = 8 + 12 = 20. Define Hippopotamus Tank's Hawk as S; E = L + l = 12 + 22 = 11; so S = 12 * E = 12 * 11 = 17. Define Hippopotamus Tank's Animal as V; r = L + z = 12 + 20 = 9; so V = r + S = 9 + 17 = 3. Define Ripley's Aquarium of Canada's Bat Cave as Z; so Z = V + L = 3 + 12 = 15. Define Ripley's Aquarium of Canada's Hippopotamus Tank as G; so G = h + S = 9 + 17 = 3. Define Ripley's Aquarium of Canada's Enclosure as F; so F = G + Z = 3 + 15 = 18. Define Bat Cave's Flamingo as X; so X = F - z = 18 - 20 = 21.

21

hard

The number of each Ileum's Chondrocytes equals 5 times as much as each Pylorus's Chondrocytes. The number of each Ileum's Osteoblasts equals 22. The number of each Salivary Glands's Osteoblasts equals the sum of each Salivary Glands's Tenocytes, each Ileum's Keratinocytes and each Ileum's Osteoblasts. The number of each Ileum's Tenocytes equals 14. The number of each Ileum's Keratinocytes equals each Pylorus's Cells. The number of each Pylorus's Keratinocytes equals each Ileum's Chondrocytes. The number of each Pylorus's Tenocytes equals 10. The number of each Pancreas's Osteoblasts equals 15. The number of each Pancreas's Chondrocytes equals each Salivary Glands's Tenocytes. The number of each Salivary Glands's Tenocytes equals 19. The number of each Pylorus's Chondrocytes equals 17. How many Tenocytes does Pylorus have?

Define Pylorus's Tenocytes as i; so i = 10.

10

med

The number of each Stork's Pylorus equals 14. The number of each Stork's Appendix equals 22. How many Organs does Stork have?

Define Stork's Appendix as n; so n = 22. Define Stork's Pylorus as c; so c = 14. Define Stork's Organs as Y; so Y = n + c = 22 + 14 = 13.

13

med

The number of each Hippopotamus Tank's Haddock equals 19. The number of each Kangaroo Walkabout's Bass equals the difference of each Bass's Caudal Vertebrae 7 and each Sylvan Heights Bird Park's Hippopotamus Tank. The number of each Sylvan Heights Bird Park's Kangaroo Walkabout equals each Hippopotamus Tank's Animal. The number of each Monte Casino Bird Park's Hippopotamus Tank equals 3. The number of each Sylvan Heights Bird Park's Hippopotamus Tank equals 1 more than each Hippopotamus Tank's Animal. The number of each Bass's Caudal Vertebrae 7 equals each Sylvan Heights Bird Park's Hippopotamus Tank. The number of each Monte Casino Bird Park's Kangaroo Walkabout equals each Sylvan Heights Bird Park's Bone. The number of each Haddock's Caudal Vertebrae 1 equals 0. The number of each Bass's Caudal Vertebrae 1 equals 4 times as much as each Hippopotamus Tank's Animal. How many Bone does Kangaroo Walkabout have?

Define Hippopotamus Tank's Haddock as R; so R = 19. Define Hippopotamus Tank's Animal as y; so y = R = 19. Define Sylvan Heights Bird Park's Hippopotamus Tank as C; so C = 1 + y = 1 + 19 = 20. Define Bass's Caudal Vertebrae 7 as w; so w = C = 20. Define Bass's Caudal Vertebrae 1 as D; so D = 4 * y = 4 * 19 = 7. Define Bass's Bone as m; so m = D + w = 7 + 20 = 4. Define Kangaroo Walkabout's Bass as b; so b = w - C = 20 - 20 = 0. Define Kangaroo Walkabout's Bone as W; so W = b * m = 0 * 4 = 0.

0

med

The number of each Racquet Backpack's Embossing Powder equals each Track and Field's Biking Backpack. The number of each Biking Backpack's Canvas Board equals 5. The number of each Yoga Studio's Shoe Compartment Backpack equals 22 times as much as each Track and Field's Shoe Compartment Backpack. The number of each Track and Field's Biking Backpack equals 18. The number of each Yoga Studio's Biking Backpack equals 12. The number of each Track and Field's Racquet Backpack equals 12 more than each Yoga Studio's Racquet Backpack. The number of each Shoe Compartment Backpack's Embossing Powder equals 0. The number of each Biking Backpack's Stamp equals 10. The number of each Racquet Backpack's Stamp equals 9 more than each Track and Field's Shoe Compartment Backpack. The number of each Biking Backpack's Embossing Powder equals each Racquet Backpack's Embossing Powder. The number of each Racquet Backpack's Canvas Board equals 6 more than the sum of each Track and Field's Biking Backpack, each Shoe Compartment Backpack's Embossing Powder and each Yoga Studio's Racquet Backpack. The number of each Track and Field's Shoe Compartment Backpack equals 4. The number of each Yoga Studio's Racquet Backpack equals 21 more than each Shoe Compartment Backpack's Embossing Powder. The number of each Shoe Compartment Backpack's Stamp equals 11 times as much as each Yoga Studio's Racquet Backpack. The number of each Shoe Compartment Backpack's Canvas Board equals 2 times as much as each Track and Field's Shoe Compartment Backpack. How many Shoe Compartment Backpack does Yoga Studio have?

Define Track and Field's Shoe Compartment Backpack as t; so t = 4. Define Yoga Studio's Shoe Compartment Backpack as h; so h = 22 * t = 22 * 4 = 19.

19

hard

The number of each Canned Meats's Saffron equals 6 more than each Canned Chicken's Cinnamon. The number of each Canned Meats's Mint equals each Canned Chicken's Saffron. The number of each Canned Olives's Nutmeg equals 7 more than each Canned Meats's Saffron. The number of each Canned Chicken's Saffron equals 15. The number of each Canned Chicken's Cinnamon equals 5 more than each Canned Chicken's Saffron. How many Ingredient does Canned Meats have?

Define Canned Chicken's Saffron as I; so I = 15. Define Canned Chicken's Cinnamon as e; so e = 5 + I = 5 + 15 = 20. Define Canned Meats's Saffron as E; so E = 6 + e = 6 + 20 = 3. Define Canned Meats's Mint as a; so a = I = 15. Define Canned Meats's Ingredient as R; so R = E + a = 3 + 15 = 18.

18

med

The number of each Beer's Kale equals each Smoothies's Peas. The number of each Wine's Kale equals 2 times as much as the difference of each Smoothies's Peas and each Smoothies's Ingredient. The number of each Smoothies's Peas equals each Beer's Tomato. The number of each Wine's Peas equals each Smoothies's Tomato. The number of each Wine's Tomato equals each Smoothies's Ingredient. The number of each Beer's Peas equals each Wine's Ingredient. The number of each Smoothies's Kale equals 8. The number of each Beer's Tomato equals 12 times as much as each Smoothies's Kale. The number of each Smoothies's Tomato equals 1. How many Peas does Beer have?

Define Smoothies's Kale as R; so R = 8. Define Smoothies's Ingredient as BACK. Define Beer's Tomato as Y; so Y = 12 * R = 12 * 8 = 4. Define Smoothies's Peas as P; so P = Y = 4. Define Smoothies's Tomato as K; so K = 1. Define Smoothies's Ingredient as D; p = P + K = 4 + 1 = 5; so D = p + R = 5 + 8 = 13. Define Wine's Tomato as b; so b = D = 13. Define Wine's Peas as d; so d = K = 1. Define Wine's Kale as e; H = P - D = 4 - 13 = 14; so e = 2 * H = 2 * 14 = 5. Define Wine's Ingredient as W; q = d + b = 1 + 13 = 14; so W = q + e = 14 + 5 = 19. Define Beer's Peas as o; so o = W = 19.

19

hard

The number of each Eagle Eyrie's Crow equals the sum of each Eagle Eyrie's Hawk, each Hawk's Humerus, each Crow's Carpometacarpus and each Eagle's Bone. The number of each Eagle Eyrie's Hawk equals each Kuala Lumpur Bird Park's Macaw Island. The number of each Kuala Lumpur Bird Park's Pigeon Loft equals each Pigeon Loft's Animal. The number of each Birds of Eden's Eagle Eyrie equals each Hummingbird's Ulna. The number of each Monte Casino Bird Park's Pigeon Loft equals each Birds of Eden's Pelican Pier. The number of each Crow's Carpometacarpus equals 4 more than each Eagle Eyrie's Hawk. The number of each Hummingbird's Ulna equals the difference of each Eagle Eyrie's Hummingbird and each Hawk's Humerus. The number of each Birds of Eden's Pelican Pier equals 20. The number of each Eagle Eyrie's Eagle equals the difference of each Pelican Pier's Animal and each Hummingbird's Bone. The number of each Monte Casino Bird Park's Macaw Island equals 17 times as much as each Hawk's Humerus. The number of each Macaw Island's Hawk equals 5 times as much as each Monte Casino Bird Park's Macaw Island. The number of each Hawk's Humerus equals each Monte Casino Bird Park's Pigeon Loft. The number of each Eagle Eyrie's Hummingbird equals each Macaw Island's Bone. The number of each Eagle's Secondary Feathers equals 13. The number of each Pigeon Loft's Hummingbird equals the sum of each Birds of Eden's Eagle Eyrie and each Hummingbird's Ulna. The number of each Kuala Lumpur Bird Park's Macaw Island equals each Kuala Lumpur Bird Park's Pigeon Loft. How many Carpometacarpus does Crow have?

Define Birds of Eden's Pelican Pier as l; so l = 20. Define Monte Casino Bird Park's Pigeon Loft as K; so K = l = 20. Define Hawk's Humerus as R; so R = K = 20. Define Monte Casino Bird Park's Macaw Island as t; so t = 17 * R = 17 * 20 = 18. Define Hawk's Bone as s; so s = R = 20. Define Macaw Island's Hawk as n; so n = 5 * t = 5 * 18 = 21. Define Macaw Island's Bone as X; so X = n * s = 21 * 20 = 6. Define Eagle Eyrie's Hummingbird as M; so M = X = 6. Define Hummingbird's Ulna as Q; so Q = M - R = 6 - 20 = 9. Define Birds of Eden's Eagle Eyrie as B; so B = Q = 9. Define Crow's Carpometacarpus as BACK. Define Pigeon Loft's Animal as BACK. Define Pigeon Loft's Hummingbird as H; so H = B + Q = 9 + 9 = 18. Define Pigeon Loft's Animal as E; so E = H = 18. Define Eagle's Bone as BACK. Define Kuala Lumpur Bird Park's Pigeon Loft as e; so e = E = 18. Define Kuala Lumpur Bird Park's Macaw Island as P; so P = e = 18. Define Eagle Eyrie's Hawk as v; so v = P = 18. Define Crow's Carpometacarpus as b; so b = 4 + v = 4 + 18 = 22.

22

hard

The number of each Central Park in New York City's Gorgon equals 2. The number of each Mermaid's Jejunum equals each Central Park in New York City's Gorgon. The number of each Central Park in New York City's Mermaid equals 18. The number of each Mermaid's Pharynx equals 4. The number of each Gorgon's Pharynx equals each Central Park in New York City's Mermaid. The number of each Gorgon's Jejunum equals each Mermaid's Organs. The number of each Kings Park in Perth's Gorgon equals the sum of each Gorgon's Organs and each Kings Park in Perth's Mermaid. The number of each Kings Park in Perth's Mermaid equals the sum of each Central Park in New York City's Gorgon, each Gorgon's Pharynx and each Mermaid's Pharynx. How many Mermaid does Central Park in New York City have?

Define Central Park in New York City's Organs as BACK. Define Central Park in New York City's Mermaid as p; so p = 18.

18

hard

The number of each Sunnydale University's Film Studio equals each Theater Arts Classroom's Golf Backpack. The number of each Crestwood University's Philosophy Classroom equals 16. The number of each Training Daypack's Watercolor Pencil equals 17 times as much as each Running Backpack's Fineliner. The number of each Philosophy Classroom's Training Daypack equals each Training Daypack's Watercolor Pencil. The number of each Golf Backpack's Brush Pen equals the difference of each Crestwood University's Classroom and each Running Backpack's Brush Pen. The number of each Philosophy Classroom's Running Backpack equals 6 times as much as the difference of each Golf Backpack's Brush Pen and each Running Backpack's Fineliner. The number of each Running Backpack's Watercolor Pencil equals 8 times as much as each Philosophy Classroom's Training Daypack. The number of each Training Daypack's Fineliner equals each Theater Arts Classroom's Running Backpack. The number of each Film Studio's Golf Backpack equals 10 times as much as the difference of each Philosophy Classroom's Fitness Backpack and each Theater Arts Classroom's Training Daypack. The number of each Sunnydale University's Theater Arts Classroom equals 14. The number of each Philosophy Classroom's Fitness Backpack equals each Theater Arts Classroom's Running Backpack. The number of each Theater Arts Classroom's Training Daypack equals 22 more than the sum of each Running Backpack's Watercolor Pencil and each Training Daypack's Watercolor Pencil. The number of each Theater Arts Classroom's Running Backpack equals each Theater Arts Classroom's Training Daypack. The number of each Running Backpack's Brush Pen equals each Running Backpack's Watercolor Pencil. The number of each Theater Arts Classroom's Golf Backpack equals 1. The number of each Running Backpack's Fineliner equals 14. How many Golf Backpack does Film Studio have?

Define Running Backpack's Fineliner as d; so d = 14. Define Film Studio's Golf Backpack as BACK. Define Training Daypack's Watercolor Pencil as O; so O = 17 * d = 17 * 14 = 8. Define Philosophy Classroom's Training Daypack as D; so D = O = 8. Define Running Backpack's Watercolor Pencil as l; so l = 8 * D = 8 * 8 = 18. Define Theater Arts Classroom's Training Daypack as B; g = l + O = 18 + 8 = 3; so B = 22 + g = 22 + 3 = 2. Define Theater Arts Classroom's Running Backpack as r; so r = B = 2. Define Philosophy Classroom's Fitness Backpack as v; so v = r = 2. Define Film Studio's Golf Backpack as u; V = v - B = 2 - 2 = 0; so u = 10 * V = 10 * 0 = 0.

0

med

The number of each Granola Bars's Ham equals each Pretzels's Pork. The number of each Granola Bars's Duck Confit equals the sum of each Pretzels's Duck Confit and each Nuts's Ingredient. The number of each Pretzels's Pork equals 22. The number of each Nuts's Lamb Chop equals each Chocolate Covered Pretzels's Pork. The number of each Pretzels's Lamb Chop equals each Nuts's Ham. The number of each Pretzels's Ham equals the sum of each Granola Bars's Ham, each Granola Bars's Duck Confit and each Granola Bars's Ingredient. The number of each Chocolate Covered Pretzels's Pork equals 10 more than the difference of each Pretzels's Pork and each Chocolate Covered Pretzels's Ham. The number of each Granola Bars's Pork equals the sum of each Chocolate Covered Pretzels's Ham, each Chocolate Covered Pretzels's Pork and each Nuts's Duck Confit. The number of each Chocolate Covered Pretzels's Lamb Chop equals 2 times as much as each Pretzels's Duck Confit. The number of each Nuts's Duck Confit equals the sum of each Chocolate Covered Pretzels's Ham, each Chocolate Covered Pretzels's Pork and each Pretzels's Pork. The number of each Nuts's Pork equals 12 more than each Nuts's Duck Confit. The number of each Granola Bars's Lamb Chop equals each Pretzels's Lamb Chop. The number of each Nuts's Ham equals 7. The number of each Pretzels's Duck Confit equals 13 more than each Granola Bars's Lamb Chop. The number of each Chocolate Covered Pretzels's Ham equals 7 times as much as each Pretzels's Pork. The number of each Chocolate Covered Pretzels's Duck Confit equals 1 more than each Pretzels's Pork. How many Lamb Chop does Chocolate Covered Pretzels have?

Define Nuts's Ham as L; so L = 7. Define Pretzels's Lamb Chop as i; so i = L = 7. Define Granola Bars's Lamb Chop as b; so b = i = 7. Define Pretzels's Duck Confit as f; so f = 13 + b = 13 + 7 = 20. Define Granola Bars's Duck Confit as BACK. Define Chocolate Covered Pretzels's Lamb Chop as M; so M = 2 * f = 2 * 20 = 17.

17

hard

The number of each Paramecium's Amygdala equals 11 more than the sum of each Paramecium's Pons and each Paramecium's Medulla Oblongata. The number of each Paramecium's Medulla Oblongata equals 21 more than each Paramecium's Pons. The number of each Spirogyra's Pons equals 17 more than the difference of each Paramecium's Organs and each Paramecium's Pons. The number of each Paramecium's Pons equals 18. How many Pons does Spirogyra have?

Define Paramecium's Medulla Oblongata as BACK. Define Paramecium's Pons as R; so R = 18. Define Paramecium's Medulla Oblongata as v; so v = 21 + R = 21 + 18 = 16. Define Paramecium's Amygdala as K; a = R + v = 18 + 16 = 11; so K = 11 + a = 11 + 11 = 22. Define Paramecium's Organs as j; n = v + K = 16 + 22 = 15; so j = n + R = 15 + 18 = 10. Define Spirogyra's Pons as w; Y = j - R = 10 - 18 = 15; so w = 17 + Y = 17 + 15 = 9.

9

hard

The number of each E coli's Nasal Cavity equals each Alveoli's Cerebral Cortex Neurons. The number of each Stentor's Sinuses equals 21. The number of each Stentor's Nasal Cavity equals each Alveoli's Interneurons. The number of each Sinuses's Pyramidal Cells equals 9. The number of each Staphylococcus's Sinuses equals 5. The number of each Stentor's Alveoli equals 17 more than each Alveoli's Cerebral Cortex Neurons. The number of each Nasal Cavity's Cerebral Cortex Neurons equals 12 more than the sum of each Alveoli's Cerebral Cortex Neurons and each Staphylococcus's Cells. The number of each Nasal Cavity's Pyramidal Cells equals 17. The number of each E coli's Sinuses equals each Sinuses's Pyramidal Cells. The number of each Alveoli's Cerebral Cortex Neurons equals 21 more than each Staphylococcus's Sinuses. The number of each Alveoli's Interneurons equals 9. How many Sinuses does E coli have?

Define Sinuses's Pyramidal Cells as E; so E = 9. Define E coli's Sinuses as x; so x = E = 9.

9

hard

The number of each Salt Marsh's Chlamydomonas equals 20 more than the sum of each Mouth's Cells and each Jejunum's Cells. The number of each Mouth's Pericytes of Blood Vessels equals 21 times as much as the sum of each Jejunum's Cells and each Jejunum's Osteocytes. The number of each Euglena's Pharynx equals the sum of each Chlamydomonas's Mouth and each Jejunum's Osteocytes. The number of each Pharynx's Pericytes of Blood Vessels equals each Tidal Pool's Organs. The number of each Chlamydomonas's Jejunum equals 11 times as much as each Mouth's Pericytes of Blood Vessels. The number of each Chlamydomonas's Mouth equals each Mouth's Cells. The number of each Tidal Pool's Euglena equals each Salt Marsh's Cells. The number of each Jejunum's Osteocytes equals 2. How many Pericytes of Blood Vessels does Pharynx have?

Define Jejunum's Osteocytes as r; so r = 2. Define Jejunum's Cells as t; so t = r = 2. Define Mouth's Pericytes of Blood Vessels as Z; y = t + r = 2 + 2 = 4; so Z = 21 * y = 21 * 4 = 15. Define Mouth's Cells as Q; so Q = Z = 15. Define Chlamydomonas's Jejunum as m; so m = 11 * Z = 11 * 15 = 4. Define Chlamydomonas's Mouth as p; so p = Q = 15. Define Chlamydomonas's Cells as z; U = p * Q = 15 * 15 = 18; D = m * t = 4 * 2 = 8; so z = U + D = 18 + 8 = 3. Define Euglena's Pharynx as N; so N = p + r = 15 + 2 = 17. Define Euglena's Organs as k; so k = N = 17. Define Salt Marsh's Chlamydomonas as T; s = Q + t = 15 + 2 = 17; so T = 20 + s = 20 + 17 = 14. Define Salt Marsh's Cells as h; so h = T * z = 14 * 3 = 19. Define Tidal Pool's Euglena as K; so K = h = 19. Define Pharynx's Cells as BACK. Define Tidal Pool's Organs as a; so a = K * k = 19 * 17 = 1. Define Pharynx's Pericytes of Blood Vessels as q; so q = a = 1.

1

hard

The number of each Aldi's Tea equals 8 times as much as the difference of each Shoppers Value Foods's Product and each Shoppers Value Foods's Protein Shakes. The number of each Aldi's Energy Drinks equals 0 more than the sum of each Shoppers Value Foods's Protein Shakes, each Shoppers Value Foods's Product and each Aldi's Tea. The number of each Shoppers Value Foods's Protein Shakes equals 20. How many Product does Aldi have?

Define Shoppers Value Foods's Protein Shakes as B; so B = 20. Define Shoppers Value Foods's Product as J; so J = B = 20. Define Aldi's Tea as e; E = J - B = 20 - 20 = 0; so e = 8 * E = 8 * 0 = 0. Define Aldi's Product as BACK. Define Aldi's Energy Drinks as r; f = B + J = 20 + 20 = 17; v = f + e = 17 + 0 = 17; so r = 0 + v = 0 + 17 = 17. Define Aldi's Product as t; so t = e + r = 0 + 17 = 17.

17

med

The number of each Serengeti National Park's Elephant Habitat equals each Yala National Park's Small Mammal House. The number of each Yala National Park's Elephant Habitat equals 3 more than each Ruaha National Park's Enclosure. The number of each Yala National Park's Small Mammal House equals the sum of each Yala National Park's Elephant Habitat and each Yala National Park's Panda Exhibit. The number of each Serengeti National Park's Small Mammal House equals the difference of each Ruaha National Park's Elephant Habitat and each Ruaha National Park's Small Mammal House. The number of each Ruaha National Park's Panda Exhibit equals each Yala National Park's Panda Exhibit. The number of each Serengeti National Park's Panda Exhibit equals the difference of each Yala National Park's Small Mammal House and each Yala National Park's Panda Exhibit. The number of each Ruaha National Park's Small Mammal House equals 6 times as much as the sum of each Ruaha National Park's Panda Exhibit and each Yala National Park's Panda Exhibit. The number of each Yala National Park's Panda Exhibit equals 5. The number of each Ruaha National Park's Elephant Habitat equals 19 times as much as each Ruaha National Park's Panda Exhibit. How many Enclosure does Serengeti National Park have?

Define Yala National Park's Panda Exhibit as M; so M = 5. Define Ruaha National Park's Panda Exhibit as f; so f = M = 5. Define Ruaha National Park's Elephant Habitat as y; so y = 19 * f = 19 * 5 = 3. Define Ruaha National Park's Small Mammal House as p; d = f + M = 5 + 5 = 10; so p = 6 * d = 6 * 10 = 14. Define Ruaha National Park's Enclosure as G; z = y + f = 3 + 5 = 8; so G = z + p = 8 + 14 = 22. Define Yala National Park's Elephant Habitat as R; so R = 3 + G = 3 + 22 = 2. Define Yala National Park's Small Mammal House as N; so N = R + M = 2 + 5 = 7. Define Serengeti National Park's Panda Exhibit as P; so P = N - M = 7 - 5 = 2. Define Serengeti National Park's Enclosure as BACK. Define Serengeti National Park's Small Mammal House as x; so x = y - p = 3 - 14 = 12. Define Serengeti National Park's Elephant Habitat as h; so h = N = 7. Define Serengeti National Park's Enclosure as o; u = h + P = 7 + 2 = 9; so o = u + x = 9 + 12 = 21.

21

hard

The number of each Business Management Room's First Aid Backpack equals each StudyNet College's Communication Studies Room. The number of each Sociology Lab's First Aid Backpack equals 2 times as much as each Human Development Classroom's Concealed Carry Backpack. The number of each Human Development Classroom's Concealed Carry Backpack equals 1 times as much as the sum of each Business Management Room's First Aid Backpack, each Human Development Classroom's Picnic Backpack and each StudyNet College's Communication Studies Room. The number of each StudyNet College's Sociology Lab equals each WebMasters Academy's Human Development Classroom. The number of each Communication Studies Room's First Aid Backpack equals 10. The number of each Sociology Lab's Concealed Carry Backpack equals 8. The number of each CyberAcademy's Human Development Classroom equals 8 more than the sum of each Business Management Room's Picnic Backpack and each StudyNet College's Human Development Classroom. The number of each Business Management Room's Picnic Backpack equals 1 times as much as the sum of each EduWeb Academy's Human Development Classroom and each Human Development Classroom's Concealed Carry Backpack. The number of each EduWeb Academy's Human Development Classroom equals 10 more than each Sociology Lab's Concealed Carry Backpack. The number of each Business Management Room's Concealed Carry Backpack equals 8. The number of each EduWeb Academy's Business Management Room equals each EduWeb Academy's Human Development Classroom. The number of each CyberAcademy's Sociology Lab equals 11 more than the sum of each Human Development Classroom's Picnic Backpack and each EduWeb Academy's Human Development Classroom. The number of each WebMasters Academy's Human Development Classroom equals 22. The number of each Communication Studies Room's Picnic Backpack equals each CyberAcademy's Classroom. The number of each WebMasters Academy's Business Management Room equals 3 more than the sum of each Human Development Classroom's Concealed Carry Backpack and each Business Management Room's First Aid Backpack. The number of each CyberAcademy's Communication Studies Room equals each EduWeb Academy's Human Development Classroom. The number of each EduWeb Academy's Communication Studies Room equals the sum of each Communication Studies Room's First Aid Backpack, each CyberAcademy's Communication Studies Room and each Sociology Lab's Concealed Carry Backpack. The number of each Human Development Classroom's Picnic Backpack equals 10. The number of each Sociology Lab's Picnic Backpack equals the sum of each Business Management Room's Backpack and each WebMasters Academy's Communication Studies Room. The number of each StudyNet College's Human Development Classroom equals 1 more than each Human Development Classroom's Concealed Carry Backpack. The number of each WebMasters Academy's Communication Studies Room equals 12. The number of each StudyNet College's Communication Studies Room equals each Human Development Classroom's Picnic Backpack. How many Business Management Room does WebMasters Academy have?

Define Human Development Classroom's Picnic Backpack as z; so z = 10. Define StudyNet College's Communication Studies Room as Y; so Y = z = 10. Define Business Management Room's First Aid Backpack as R; so R = Y = 10. Define Human Development Classroom's Concealed Carry Backpack as c; v = R + z = 10 + 10 = 20; o = v + Y = 20 + 10 = 7; so c = 1 * o = 1 * 7 = 7. Define WebMasters Academy's Business Management Room as s; S = c + R = 7 + 10 = 17; so s = 3 + S = 3 + 17 = 20.

20

hard

The number of each Coastal Ecosystem's Leopard equals each Coastal Ecosystem's Panda. The number of each Deep Sea Ecosystem's Armadillo equals each Armadillo's Occipital Lobe. The number of each Panda's Spinal Cord equals the sum of each Leopard's Organs, each Estuary's Bengal Tiger, each Open Ocean's Panda and each Leopard's Pons. The number of each Armadillo's Cranial Nerves equals each Estuary's Creatures. The number of each Estuary's Bengal Tiger equals each Coastal Ecosystem's Creatures. The number of each Deep Sea Ecosystem's Bengal Tiger equals 5. The number of each Open Ocean's Leopard equals 3 more than the sum of each Leopard's Cranial Nerves, each Panda's Cranial Nerves and each Leopard's Spinal Cord. The number of each Armadillo's Occipital Lobe equals 20. The number of each Panda's Cranial Nerves equals 7 more than each Leopard's Cranial Nerves. The number of each Open Ocean's Panda equals 5. The number of each Bengal Tiger's Cranial Nerves equals 8. The number of each Leopard's Cranial Nerves equals 4. The number of each Open Ocean's Armadillo equals the difference of each Armadillo's Pons and each Panda's Cranial Nerves. The number of each Estuary's Panda equals the difference of each Coastal Ecosystem's Panda and each Coastal Ecosystem's Creatures. The number of each Leopard's Pons equals 14 times as much as each Coastal Ecosystem's Leopard. The number of each Armadillo's Pons equals 20 times as much as the difference of each Coastal Ecosystem's Leopard and each Estuary's Panda. The number of each Coastal Ecosystem's Panda equals 10. The number of each Leopard's Spinal Cord equals 21. How many Creatures does Estuary have?

Define Coastal Ecosystem's Panda as Y; so Y = 10. Define Coastal Ecosystem's Leopard as Q; so Q = Y = 10. Define Coastal Ecosystem's Creatures as V; so V = Q + Y = 10 + 10 = 20. Define Estuary's Bengal Tiger as I; so I = V = 20. Define Estuary's Panda as d; so d = Y - V = 10 - 20 = 13. Define Panda's Spinal Cord as BACK. Define Estuary's Creatures as Z; so Z = I + d = 20 + 13 = 10.

10

hard

The number of each Sealion Show Pool's Salmon equals 9 more than each Insectarium of Boston's Seal Pool. The number of each Detroit Insectarium's Rockpool Exhibit equals 14 more than each Insectarium of Boston's Sealion Show Pool. The number of each Insectarium of Boston's Sealion Show Pool equals 8. The number of each Crustacean Cove's Marlin equals 14 times as much as each Detroit Insectarium's Rockpool Exhibit. The number of each Rockpool Exhibit's Salmon equals 12 more than the sum of each Insectarium of Boston's Seal Pool and each San Francisco Insectarium's Animal. The number of each Rockpool Exhibit's Marlin equals the sum of each San Diego Insectarium's Rockpool Exhibit, each Crustacean Cove's Herring, each San Francisco Insectarium's Enclosure and each Sealion Show Pool's Salmon. The number of each Crustacean Cove's Herring equals each Insectarium of Boston's Seal Pool. The number of each Sealion Show Pool's Marlin equals the difference of each Insectarium of Boston's Rockpool Exhibit and each Crustacean Cove's Salmon. The number of each Seal Pool's Marlin equals each San Francisco Insectarium's Sealion Show Pool. The number of each Insectarium of Boston's Seal Pool equals 13. The number of each San Francisco Insectarium's Sealion Show Pool equals 12. The number of each Seal Pool's Herring equals each Sealion Show Pool's Salmon. The number of each Sealion Show Pool's Sardine equals the difference of each Crustacean Cove's Salmon and each Insectarium of Boston's Rockpool Exhibit. The number of each Crustacean Cove's Sardine equals 5 more than the sum of each Detroit Insectarium's Rockpool Exhibit and each Insectarium of Boston's Sealion Show Pool. The number of each San Diego Insectarium's Rockpool Exhibit equals each Detroit Insectarium's Rockpool Exhibit. The number of each Insectarium of Boston's Rockpool Exhibit equals 15. The number of each Seal Pool's Salmon equals each Insectarium of Boston's Seal Pool. The number of each San Diego Insectarium's Crustacean Cove equals each Sealion Show Pool's Marlin. The number of each Crustacean Cove's Salmon equals 16 times as much as each Crustacean Cove's Herring. How many Animal does San Francisco Insectarium have?

Define Insectarium of Boston's Seal Pool as Z; so Z = 13. Define Crustacean Cove's Herring as M; so M = Z = 13. Define Crustacean Cove's Salmon as h; so h = 16 * M = 16 * 13 = 1. Define Sealion Show Pool's Salmon as Y; so Y = 9 + Z = 9 + 13 = 22. Define Insectarium of Boston's Rockpool Exhibit as z; so z = 15. Define Sealion Show Pool's Sardine as r; so r = h - z = 1 - 15 = 9. Define Detroit Insectarium's Enclosure as BACK. Define Sealion Show Pool's Marlin as p; so p = z - h = 15 - 1 = 14. Define Sealion Show Pool's Animal as e; Q = r + Y = 9 + 22 = 8; so e = Q + p = 8 + 14 = 22. Define San Francisco Insectarium's Sealion Show Pool as o; so o = 12. Define San Francisco Insectarium's Animal as N; so N = o * e = 12 * 22 = 11.

11

hard

The number of each Meerkat Manor's Monkey equals the sum of each Ruaha National Park's Meerkat Manor and each Serengeti National Park's Meerkat Manor. The number of each Deer's Postzygapophyses equals the sum of each Deer's Caudal Fin Rays and each Serengeti National Park's Anteater Area. The number of each Deer's Caudal Fin Rays equals 10 times as much as each Serengeti National Park's Anteater Area. The number of each Anteater Area's Monkey equals each Mikumi National Park's Anteater Area. The number of each Monkey's Caudal Fin Rays equals the sum of each Deer's Caudal Fin Rays, each Deer's Bone, each Serengeti National Park's Anteater Area and each Deer's Postzygapophyses. The number of each Mikumi National Park's Meerkat Manor equals 8. The number of each Ruaha National Park's Anteater Area equals 4. The number of each Anteater Area's Deer equals 14. The number of each Serengeti National Park's Meerkat Manor equals 17. The number of each Mikumi National Park's Anteater Area equals the difference of each Meerkat Manor's Monkey and each Ruaha National Park's Meerkat Manor. The number of each Meerkat Manor's Deer equals 10 times as much as the sum of each Deer's Bone, each Deer's Caudal Fin Rays and each Monkey's Caudal Fin Rays. The number of each Serengeti National Park's Anteater Area equals 7. The number of each Ruaha National Park's Meerkat Manor equals 16. The number of each Monkey's Postzygapophyses equals 11 more than the sum of each Meerkat Manor's Deer and each Deer's Bone. How many Bone does Monkey have?

Define Serengeti National Park's Anteater Area as f; so f = 7. Define Deer's Caudal Fin Rays as u; so u = 10 * f = 10 * 7 = 1. Define Deer's Postzygapophyses as R; so R = u + f = 1 + 7 = 8. Define Deer's Bone as Z; so Z = u + R = 1 + 8 = 9. Define Monkey's Caudal Fin Rays as H; c = u + Z = 1 + 9 = 10; m = c + f = 10 + 7 = 17; so H = m + R = 17 + 8 = 2. Define Meerkat Manor's Deer as k; L = Z + u = 9 + 1 = 10; v = L + H = 10 + 2 = 12; so k = 10 * v = 10 * 12 = 5. Define Monkey's Postzygapophyses as Y; E = k + Z = 5 + 9 = 14; so Y = 11 + E = 11 + 14 = 2. Define Monkey's Bone as X; so X = H + Y = 2 + 2 = 4.

4

hard

The number of each Knee Joint's Basophils equals each Knee Joint's Dendritic Cells. The number of each Knee Joint's Dendritic Cells equals 18. The number of each Knee Joint's Lymphocytes equals 21 more than the difference of each Knee Joint's Basophils and each Knee Joint's Dendritic Cells. How many Lymphocytes does Knee Joint have?

Define Knee Joint's Dendritic Cells as F; so F = 18. Define Knee Joint's Basophils as E; so E = F = 18. Define Knee Joint's Lymphocytes as W; A = E - F = 18 - 18 = 0; so W = 21 + A = 21 + 0 = 21.

21

med

The number of each Minotaur's Patella equals 22. The number of each Chimera's Pelvis equals the sum of each Tiergarten in Berlin's Chimera, each Minotaur's Organs, each Ibirapuera Park in São Paulo's Creatures and each Minotaur's Patella. The number of each Tiergarten in Berlin's Hydra equals each Tiergarten in Berlin's Chimera. The number of each Minotaur's Cartilage equals 21 more than the sum of each Tiergarten in Berlin's Minotaur, each Minotaur's Patella and each Tiergarten in Berlin's Chimera. The number of each Tiergarten in Berlin's Minotaur equals 18 more than the difference of each Tiergarten in Berlin's Hydra and each Minotaur's Patella. The number of each Tiergarten in Berlin's Chimera equals 10 more than each Minotaur's Patella. The number of each Minotaur's Pelvis equals 10. How many Cartilage does Minotaur have?

Define Minotaur's Patella as j; so j = 22. Define Tiergarten in Berlin's Creatures as BACK. Define Tiergarten in Berlin's Chimera as N; so N = 10 + j = 10 + 22 = 9. Define Tiergarten in Berlin's Hydra as m; so m = N = 9. Define Tiergarten in Berlin's Minotaur as z; d = m - j = 9 - 22 = 10; so z = 18 + d = 18 + 10 = 5. Define Minotaur's Cartilage as J; O = z + j = 5 + 22 = 4; F = O + N = 4 + 9 = 13; so J = 21 + F = 21 + 13 = 11.

11

med

The number of each Walmart's Ice Cream equals 16 times as much as each Sam's Club's Product. The number of each Sam's Club's Cottage Cheese equals each Sainsbury's's Cottage Cheese. The number of each Sainsbury's's Whipped Cream equals 8 times as much as the sum of each Sam's Club's Product, each Sam's Club's Whipped Cream and each Sainsbury's's Cottage Cheese. The number of each Walmart's Whipped Cream equals 15. The number of each Sam's Club's Whipped Cream equals 1. The number of each Publix's Cottage Cheese equals 7 times as much as the sum of each Walmart's Whipped Cream and each Publix's Ice Cream. The number of each Walmart's Cottage Cheese equals the sum of each Walmart's Ice Cream, each Sainsbury's's Cottage Cheese and each Sam's Club's Product. The number of each Sainsbury's's Cottage Cheese equals 19. The number of each Sam's Club's Ice Cream equals 4. The number of each Publix's Ice Cream equals 11. The number of each Publix's Whipped Cream equals the sum of each Sam's Club's Ice Cream, each Publix's Cottage Cheese, each Publix's Ice Cream and each Sam's Club's Whipped Cream. The number of each Sainsbury's's Ice Cream equals 14. How many Cottage Cheese does Walmart have?

Define Sam's Club's Ice Cream as j; so j = 4. Define Sainsbury's's Cottage Cheese as G; so G = 19. Define Sam's Club's Whipped Cream as Y; so Y = 1. Define Sam's Club's Cottage Cheese as I; so I = G = 19. Define Sam's Club's Product as a; v = j + Y = 4 + 1 = 5; so a = v + I = 5 + 19 = 1. Define Walmart's Ice Cream as R; so R = 16 * a = 16 * 1 = 16. Define Walmart's Cottage Cheese as M; x = R + G = 16 + 19 = 12; so M = x + a = 12 + 1 = 13.

13

med

The number of each Freshwater Lake's Sphinx equals 19. The number of each River Ecosystem's Minotaur equals 11. The number of each Minotaur's Femur equals 4 times as much as each Deep Sea Ecosystem's Creatures. The number of each Sphinx's Femur equals the sum of each Freshwater Lake's Sphinx, each Tidal Pool's Sphinx and each Freshwater Lake's Basilisk. The number of each Freshwater Lake's Minotaur equals 15. The number of each Deep Sea Ecosystem's Sphinx equals 7. The number of each Gorgon's Elbow Joint equals 17 more than the sum of each Tidal Pool's Sphinx and each Freshwater Lake's Sphinx. The number of each Tidal Pool's Minotaur equals the sum of each Basilisk's Wrist Joint, each Tidal Pool's Basilisk and each Sphinx's Femur. The number of each Tidal Pool's Sphinx equals the difference of each Freshwater Lake's Basilisk and each Freshwater Lake's Sphinx. The number of each Basilisk's Elbow Joint equals 21. The number of each Sphinx's Pelvis equals each Tidal Pool's Sphinx. The number of each Deep Sea Ecosystem's Minotaur equals 19 times as much as each Freshwater Lake's Sphinx. The number of each Minotaur's Wrist Joint equals 1. The number of each Tidal Pool's Gorgon equals 17 times as much as each Minotaur's Organs. The number of each Basilisk's Wrist Joint equals 6 times as much as each Freshwater Lake's Minotaur. The number of each Gorgon's Wrist Joint equals 20. The number of each Freshwater Lake's Basilisk equals 12 more than each Freshwater Lake's Sphinx. The number of each Gorgon's Femur equals the difference of each Gorgon's Wrist Joint and each Tidal Pool's Sphinx. The number of each Tidal Pool's Basilisk equals 12. How many Organs does Basilisk have?

Define Freshwater Lake's Minotaur as W; so W = 15. Define Basilisk's Wrist Joint as T; so T = 6 * W = 6 * 15 = 21. Define Sphinx's Femur as BACK. Define Basilisk's Elbow Joint as m; so m = 21. Define Basilisk's Organs as u; so u = m + T = 21 + 21 = 19.

19

med

The number of each Kroger's Donuts equals the sum of each Medical District's Walmart, each Entertainment District's Product and each Entertainment District's Supermarket. The number of each Medical District's Giant Eagle equals 9. The number of each Carrefour's Rolls equals each Medical District's Walmart. The number of each Restaurant District's Kroger equals 4 more than each Carrefour's Product. The number of each Walmart's Tortillas equals 2. The number of each Giant Eagle's Buns equals the sum of each Restaurant District's Carrefour and each Medical District's Giant Eagle. The number of each Restaurant District's Carrefour equals 3. The number of each Medical District's Walmart equals 16. How many Kroger does Restaurant District have?

Define Medical District's Walmart as e; so e = 16. Define Carrefour's Rolls as E; so E = e = 16. Define Carrefour's Product as c; so c = E = 16. Define Restaurant District's Kroger as D; so D = 4 + c = 4 + 16 = 20.

20

med

The number of each Earth Science Lab's Ultralight Backpack equals 18. The number of each Ultralight Backpack's Clay equals 22 times as much as each Earth Science Lab's Rucksack. The number of each Ultralight Backpack's Ink Bottle equals the difference of each Earth Science Lab's Backpack and each Earth Science Lab's Ultralight Backpack. The number of each Biology Lab's Rucksack equals each Ultralight Backpack's Stationery. The number of each Earth Science Lab's Rucksack equals 21 times as much as each Earth Science Lab's Ultralight Backpack. The number of each Biology Lab's Ultralight Backpack equals the sum of each Rucksack's Ink Bottle and each Earth Science Lab's Backpack. The number of each Rucksack's Clay equals 19. The number of each Rucksack's Ink Bottle equals each Biology Lab's Rucksack. How many Ultralight Backpack does Biology Lab have?

Define Earth Science Lab's Ultralight Backpack as x; so x = 18. Define Earth Science Lab's Rucksack as Y; so Y = 21 * x = 21 * 18 = 10. Define Earth Science Lab's Backpack as J; so J = x + Y = 18 + 10 = 5. Define Ultralight Backpack's Ink Bottle as G; so G = J - x = 5 - 18 = 10. Define Ultralight Backpack's Clay as V; so V = 22 * Y = 22 * 10 = 13. Define Ultralight Backpack's Stationery as R; so R = G + V = 10 + 13 = 0. Define Biology Lab's Rucksack as i; so i = R = 0. Define Rucksack's Ink Bottle as X; so X = i = 0. Define Biology Lab's Stationery as BACK. Define Biology Lab's Ultralight Backpack as c; so c = X + J = 0 + 5 = 5.

5

hard

The number of each Computer Engineering Lab's Climbing Backpack equals 3 more than each Computer Engineering Lab's Sweat-Resistant Backpack. The number of each Sweat-Resistant Backpack's Binder Clip equals 2. The number of each Sweat-Resistant Backpack's Paper Clip equals 15 more than each Climbing Backpack's Stationery. The number of each Algebra Classroom's Climbing Backpack equals each Sweat-Resistant Backpack's Binder Clip. The number of each Algebra Classroom's Sweat-Resistant Backpack equals the sum of each Computer Engineering Lab's Sweat-Resistant Backpack and each Computer Engineering Lab's Climbing Backpack. The number of each Climbing Backpack's Paper Clip equals 2 more than each Climbing Backpack's Binder Clip. The number of each Computer Engineering Lab's Sweat-Resistant Backpack equals 17. The number of each Climbing Backpack's Binder Clip equals each Algebra Classroom's Climbing Backpack. How many Paper Clip does Sweat-Resistant Backpack have?

Define Climbing Backpack's Paper Clip as BACK. Define Sweat-Resistant Backpack's Binder Clip as X; so X = 2. Define Algebra Classroom's Climbing Backpack as z; so z = X = 2. Define Climbing Backpack's Binder Clip as N; so N = z = 2. Define Climbing Backpack's Paper Clip as o; so o = 2 + N = 2 + 2 = 4. Define Climbing Backpack's Stationery as v; so v = N + o = 2 + 4 = 6. Define Sweat-Resistant Backpack's Paper Clip as d; so d = 15 + v = 15 + 6 = 21.

21

med

The number of each Seahorse Sanctuary's Rhinoceros equals the sum of each Seahorse Sanctuary's Bear, each Rhinoceros's Metacarpal II, each Kelp Forest Tank's Animal and each Kelp Forest Tank's Bear. The number of each Kelp Forest Tank's Bear equals the sum of each Bear's Metacarpal II and each Kelp Forest Tank's Rhinoceros. The number of each Seahorse Sanctuary's Bear equals the sum of each Kelp Forest Tank's Bear, each Rhinoceros's Metacarpal IV, each Kelp Forest Tank's Rhinoceros and each Rhinoceros's Bone. The number of each Bear's Metacarpal II equals 19. The number of each Rhinoceros's Metacarpal IV equals 6 times as much as the sum of each Kelp Forest Tank's Rhinoceros, each Bear's Metacarpal II and each Rhinoceros's Metacarpal II. The number of each Kelp Forest Tank's Rhinoceros equals 15 times as much as each Bear's Metacarpal II. The number of each Bear's Metacarpal IV equals the sum of each Kelp Forest Tank's Rhinoceros, each Seahorse Sanctuary's Bear and each Seahorse Sanctuary's Rhinoceros. The number of each Rhinoceros's Metacarpal II equals 11. How many Metacarpal II does Rhinoceros have?

Define Rhinoceros's Metacarpal II as g; so g = 11.

11

hard

The number of each International Relations Classroom's Hiking Backpack equals 4 more than the sum of each Human Development Classroom's Weekender Backpack, each International Relations Classroom's Expedition Pack and each International Relations Classroom's Wheeled Backpack. The number of each International Relations Classroom's Wheeled Backpack equals 5. The number of each Human Development Classroom's Wheeled Backpack equals the sum of each International Relations Classroom's Expedition Pack, each International Relations Classroom's Hiking Backpack, each Human Development Classroom's Weekender Backpack and each International Relations Classroom's Backpack. The number of each Human Development Classroom's Weekender Backpack equals 4 more than each International Relations Classroom's Expedition Pack. The number of each International Relations Classroom's Expedition Pack equals 0. How many Weekender Backpack does Human Development Classroom have?

Define International Relations Classroom's Expedition Pack as p; so p = 0. Define Human Development Classroom's Weekender Backpack as R; so R = 4 + p = 4 + 0 = 4.

4

med

The number of each Rye Bread's Millet equals 14 times as much as the sum of each Nature's Food Patch's Danishes, each PCC Community Markets's Buns and each Danishes's Corn. The number of each Community College District's MOM's Organic Market equals 18 times as much as the sum of each MOM's Organic Market's Cinnamon Rolls, each Cinnamon Rolls's Millet and each Nature's Food Patch's Danishes. The number of each MOM's Organic Market's Cinnamon Rolls equals 12. The number of each Nature's Food Patch's Rye Bread equals 4. The number of each Cinnamon Rolls's Millet equals each Community College District's PCC Community Markets. The number of each PCC Community Markets's Rye Bread equals 8 more than each Danishes's Corn. The number of each Buns's Brown Rice equals each Rye Bread's Brown Rice. The number of each MOM's Organic Market's Rye Bread equals 16. The number of each Community College District's Nature's Food Patch equals 2 more than the difference of each Danishes's Corn and each Liberal Arts College District's Whole Foods Market. The number of each MOM's Organic Market's Danishes equals the sum of each Community College District's PCC Community Markets, each Nature's Food Patch's Buns and each Nature's Food Patch's Rye Bread. The number of each Business School Campus's PCC Community Markets equals 17 times as much as the sum of each PCC Community Markets's Ingredient, each PCC Community Markets's Buns and each Buns's Brown Rice. The number of each Danishes's Quinoa equals the sum of each Whole Foods Market's Product and each Community College District's PCC Community Markets. The number of each Community College District's PCC Community Markets equals 22. The number of each Nature's Food Patch's Buns equals the sum of each Whole Foods Market's Ingredient, each Cinnamon Rolls's Ingredient, each Whole Foods Market's Product and each Community College District's PCC Community Markets. The number of each PCC Community Markets's Buns equals each Nature's Food Patch's Danishes. The number of each Business School Campus's Nature's Food Patch equals the sum of each PCC Community Markets's Rye Bread, each Cinnamon Rolls's Ingredient, each Danishes's Corn and each Community College District's PCC Community Markets. The number of each Preparatory School District's PCC Community Markets equals the sum of each Nature's Food Patch's Ingredient, each Danishes's Corn and each MOM's Organic Market's Cinnamon Rolls. The number of each Rye Bread's Brown Rice equals 19 more than the sum of each Nature's Food Patch's Danishes, each PCC Community Markets's Buns and each Danishes's Corn. The number of each Nature's Food Patch's Danishes equals 0. The number of each Liberal Arts College District's Whole Foods Market equals 19. The number of each Preparatory School District's Whole Foods Market equals 16. The number of each Danishes's Corn equals each PCC Community Markets's Buns. How many Millet does Cinnamon Rolls have?

Define Community College District's PCC Community Markets as K; so K = 22. Define Cinnamon Rolls's Millet as u; so u = K = 22.

22

hard

The number of each Montane Grassland's Armadillo equals 10 times as much as the difference of each Lowland Grassland's Lion and each Temperate Grassland's Creatures. The number of each Armadillo's Cardiac Muscle equals the sum of each Lowland Grassland's Bengal Tiger, each Mitral Valve's Purkinje Fibers and each Lowland Grassland's Lion. The number of each Pericardium's Myoepithelial Cells equals 13 times as much as each Armadillo's Cardiac Muscle. The number of each Lowland Grassland's Armadillo equals the sum of each Armadillo's Organs and each Armadillo's Mitral Valve. The number of each Lowland Grassland's Lion equals each Temperate Grassland's Creatures. The number of each Lowland Grassland's Bengal Tiger equals the sum of each Cardiac Muscle's Skeletal Muscle Cells, each Temperate Grassland's Armadillo and each Lowland Grassland's Lion. The number of each Temperate Grassland's Armadillo equals 6. The number of each Bengal Tiger's Pericardium equals 18. The number of each Armadillo's Mitral Valve equals 20 more than each Bengal Tiger's Pericardium. The number of each Cardiac Muscle's Skeletal Muscle Cells equals 6 more than each Mitral Valve's Purkinje Fibers. The number of each Bengal Tiger's Cardiac Muscle equals the sum of each Temperate Grassland's Creatures, each Armadillo's Cardiac Muscle and each Mitral Valve's Purkinje Fibers. The number of each Mitral Valve's Purkinje Fibers equals each Montane Grassland's Armadillo. How many Myoepithelial Cells does Pericardium have?

Define Montane Grassland's Cells as BACK. Define Temperate Grassland's Armadillo as X; so X = 6. Define Temperate Grassland's Creatures as Q; so Q = X = 6. Define Lowland Grassland's Lion as u; so u = Q = 6. Define Montane Grassland's Armadillo as z; G = u - Q = 6 - 6 = 0; so z = 10 * G = 10 * 0 = 0. Define Mitral Valve's Purkinje Fibers as y; so y = z = 0. Define Cardiac Muscle's Skeletal Muscle Cells as F; so F = 6 + y = 6 + 0 = 6. Define Lowland Grassland's Bengal Tiger as o; M = F + X = 6 + 6 = 12; so o = M + u = 12 + 6 = 18. Define Armadillo's Cardiac Muscle as K; p = o + y = 18 + 0 = 18; so K = p + u = 18 + 6 = 1. Define Pericardium's Myoepithelial Cells as k; so k = 13 * K = 13 * 1 = 13.

13

hard

The number of each Capillaries's Oligodendrocytes equals 11 times as much as each Capillaries's Motor Neurons. The number of each Pericardium's Sensory Neurons equals 19 more than each Capillaries's Sensory Neurons. The number of each Pulmonary Arteries's Sensory Neurons equals the sum of each Pericardium's Cells, each Capillaries's Cells, each Pericardium's Sensory Neurons and each Pulmonary Arteries's Oligodendrocytes. The number of each Pulmonary Arteries's Oligodendrocytes equals each Pulmonary Arteries's Motor Neurons. The number of each Pericardium's Motor Neurons equals 22. The number of each Capillaries's Sensory Neurons equals 16. The number of each Pulmonary Arteries's Motor Neurons equals 21 more than each Pericardium's Motor Neurons. The number of each Capillaries's Motor Neurons equals 5 times as much as the sum of each Pulmonary Arteries's Motor Neurons, each Pericardium's Motor Neurons and each Capillaries's Sensory Neurons. How many Motor Neurons does Pulmonary Arteries have?

Define Pericardium's Motor Neurons as p; so p = 22. Define Pulmonary Arteries's Motor Neurons as Y; so Y = 21 + p = 21 + 22 = 20.

20

med

The number of each Blue Apron's Canned Olives equals 2 times as much as the sum of each Canned Olives's Ingredient, each Canned Pineapple's Mushrooms and each Blue Apron's Canned Pineapple. The number of each Blue Apron's Canned Pineapple equals 5 more than the sum of each Canned Olives's Ingredient and each Canned Pineapple's Mushrooms. The number of each Canned Vegetables's Eggplant equals the sum of each Restaurant District's Supermarket, each Blue Apron's Ingredient, each Google Express's Ingredient and each Canned Olives's Ingredient. The number of each Automotive District's Postmates equals the sum of each Blue Apron's Ingredient, each Canned Pineapple's Ingredient, each Blue Apron's Canned Pineapple and each Canned Pineapple's Mushrooms. The number of each Research Park's Blue Apron equals 19 times as much as each Automotive District's Google Express. The number of each Automotive District's Google Express equals 13. The number of each Canned Vegetables's Spinach equals each Blue Apron's Ingredient. The number of each Canned Pineapple's Mushrooms equals 11 times as much as each Canned Olives's Ingredient. The number of each Postmates's Canned Vegetables equals the sum of each Automotive District's Postmates, each Canned Olives's Ingredient, each Canned Pineapple's Mushrooms and each Blue Apron's Canned Olives. How many Postmates does Automotive District have?

Define Canned Olives's Ingredient as K; so K = 0. Define Canned Pineapple's Mushrooms as M; so M = 11 * K = 11 * 0 = 0. Define Blue Apron's Canned Pineapple as G; h = K + M = 0 + 0 = 0; so G = 5 + h = 5 + 0 = 5. Define Blue Apron's Canned Olives as z; J = K + M = 0 + 0 = 0; s = J + G = 0 + 5 = 5; so z = 2 * s = 2 * 5 = 10. Define Canned Pineapple's Ingredient as Y; so Y = M = 0. Define Blue Apron's Ingredient as u; A = z * K = 10 * 0 = 0; r = G * Y = 5 * 0 = 0; so u = A + r = 0 + 0 = 0. Define Postmates's Canned Vegetables as BACK. Define Automotive District's Postmates as R; a = u + Y = 0 + 0 = 0; o = a + G = 0 + 5 = 5; so R = o + M = 5 + 0 = 5.

5

hard

The number of each Liberal Arts College District's Earth Fare equals 8 times as much as the difference of each Earth Fare's Bagels and each Bagels's Lemon. The number of each Bagels's Lemon equals 12. The number of each Bagels's Apple equals the difference of each Liberal Arts College District's Supermarket and each Bagels's Lemon. The number of each Muffins's Lemon equals 1. The number of each Earth Fare's Bagels equals 8 more than each Bagels's Lemon. The number of each Earth Fare's Muffins equals the sum of each Bagels's Ingredient, each Muffins's Ingredient and each Liberal Arts College District's Supermarket. The number of each Technical College District's Earth Fare equals 14 times as much as the sum of each Liberal Arts College District's Supermarket, each Earth Fare's Bagels and each Bagels's Lemon. The number of each Technical College District's Trader Joe's equals 16. How many Earth Fare does Technical College District have?

Define Technical College District's Earth Fare as BACK. Define Bagels's Lemon as z; so z = 12. Define Earth Fare's Bagels as M; so M = 8 + z = 8 + 12 = 20. Define Liberal Arts College District's Earth Fare as t; Z = M - z = 20 - 12 = 8; so t = 8 * Z = 8 * 8 = 18. Define Earth Fare's Product as BACK. Define Liberal Arts College District's Supermarket as x; so x = t = 18. Define Technical College District's Earth Fare as p; o = x + M = 18 + 20 = 15; w = o + z = 15 + 12 = 4; so p = 14 * w = 14 * 4 = 10.

10

hard

The number of each Sour Cream's Onion Powder equals 11 times as much as the sum of each Cheese's Parsley, each Cheese's Nutmeg and each Cheese's Ingredient. The number of each Google Express's Sour Cream equals each Boxed's Sour Cream. The number of each Cheese's Nutmeg equals 18. The number of each Sour Cream's Nutmeg equals 15. The number of each Parmesan Cheese's Parsley equals 11. The number of each Parmesan Cheese's Onion Powder equals each Deliveroo's Parmesan Cheese. The number of each Boxed's Cheese equals 9. The number of each Sour Cream's Parsley equals 11 times as much as each Sour Cream's Nutmeg. The number of each Google Express's Parmesan Cheese equals 10 more than each Sour Cream's Nutmeg. The number of each Boxed's Sour Cream equals 4. The number of each Deliveroo's Parmesan Cheese equals 6. The number of each Deliveroo's Cheese equals 20 more than each Deliveroo's Parmesan Cheese. The number of each Google Express's Cheese equals the difference of each Boxed's Sour Cream and each Sour Cream's Nutmeg. The number of each Cheese's Parsley equals each Cheese's Nutmeg. How many Ingredient does Cheese have?

Define Sour Cream's Onion Powder as BACK. Define Deliveroo's Product as BACK. Define Cheese's Nutmeg as Y; so Y = 18. Define Cheese's Parsley as i; so i = Y = 18. Define Cheese's Ingredient as g; so g = Y + i = 18 + 18 = 13.

13

hard

The number of each Camel Yard's Cave Salamander equals 3. The number of each Red Eyed Tree Frog's Basal Plate equals each Cave Salamander's Basal Plate. The number of each Yala National Park's Panda Exhibit equals the difference of each Camel Yard's Cave Salamander and each Tsavo East National Park's Panda Exhibit. The number of each Ruaha National Park's Bat Cave equals 4 more than each Red Eyed Tree Frog's Basal Plate. The number of each Panda Exhibit's Newt equals the sum of each Cave Salamander's Pelvic Fin Rays, each Bat Cave's Animal and each Tsavo East National Park's Enclosure. The number of each Cave Salamander's Basal Plate equals 5 more than the sum of each Cave Salamander's Pelvic Fin Rays and each Tsavo East National Park's Zebra Paddock. The number of each Bat Cave's Caecilian equals each Bat Cave's Newt. The number of each Newt's Fin Spines equals each Tsavo East National Park's Panda Exhibit. The number of each Cave Salamander's Pelvic Fin Rays equals 5 more than each Tsavo East National Park's Zebra Paddock. The number of each Panda Exhibit's Cave Salamander equals each Camel Yard's Cave Salamander. The number of each Tsavo East National Park's Camel Yard equals 22. The number of each Pilanesberg National Park's Bat Cave equals the sum of each Cave Salamander's Basal Plate, each Tsavo East National Park's Camel Yard and each Tsavo East National Park's Zebra Paddock. The number of each Bat Cave's Newt equals 8 times as much as the difference of each Tsavo East National Park's Camel Yard and each Cave Salamander's Basal Plate. The number of each Zebra Paddock's Red Eyed Tree Frog equals 22 times as much as the difference of each Red Eyed Tree Frog's Pelvic Fin Rays and each Camel Yard's Cave Salamander. The number of each Red Eyed Tree Frog's Pelvic Fin Rays equals 7 times as much as each Tsavo East National Park's Panda Exhibit. The number of each Newt's Hypurals equals 13 times as much as the sum of each Pilanesberg National Park's Animal and each Zebra Paddock's Red Eyed Tree Frog. The number of each Caecilian's Pelvic Fin Rays equals each Bat Cave's Newt. The number of each Tsavo East National Park's Panda Exhibit equals 8. The number of each Camel Yard's Newt equals 7 times as much as each Red Eyed Tree Frog's Pelvic Fin Rays. The number of each Yala National Park's Camel Yard equals 16. The number of each Tsavo East National Park's Zebra Paddock equals 1 more than each Tsavo East National Park's Camel Yard. The number of each Cave Salamander's Fin Spines equals 3 times as much as the sum of each Tsavo East National Park's Camel Yard and each Pilanesberg National Park's Bat Cave. The number of each Newt's Basal Plate equals the sum of each Red Eyed Tree Frog's Basal Plate and each Yala National Park's Enclosure. The number of each Cave Salamander's Hypurals equals the sum of each Newt's Fin Spines and each Yala National Park's Panda Exhibit. How many Animal does Pilanesberg National Park have?

Define Zebra Paddock's Bone as BACK. Define Tsavo East National Park's Camel Yard as l; so l = 22. Define Tsavo East National Park's Zebra Paddock as M; so M = 1 + l = 1 + 22 = 0. Define Cave Salamander's Pelvic Fin Rays as N; so N = 5 + M = 5 + 0 = 5. Define Cave Salamander's Basal Plate as t; S = N + M = 5 + 0 = 5; so t = 5 + S = 5 + 5 = 10. Define Panda Exhibit's Cave Salamander as BACK. Define Pilanesberg National Park's Bat Cave as X; T = t + l = 10 + 22 = 9; so X = T + M = 9 + 0 = 9. Define Pilanesberg National Park's Animal as BACK. Define Bat Cave's Newt as O; C = l - t = 22 - 10 = 12; so O = 8 * C = 8 * 12 = 4. Define Bat Cave's Caecilian as P; so P = O = 4. Define Bat Cave's Animal as F; so F = O + P = 4 + 4 = 8. Define Pilanesberg National Park's Animal as e; so e = X * F = 9 * 8 = 3.

3

hard

The number of each Dollar General's Soy Milk equals 13. The number of each Dollar General's Liquor equals 1. The number of each Grocery Outlet's Liquor equals each Dollar General's Energy Drinks. The number of each Grocery Outlet's Soy Milk equals 1. The number of each No Frills's Soy Milk equals 14 times as much as each Dollar General's Soy Milk. The number of each Fiesta Foods's Energy Drinks equals each Dollar General's Liquor. The number of each Fiesta Foods's Liquor equals each Grocery Outlet's Soy Milk. The number of each Fiesta Foods's Soy Milk equals 19. The number of each No Frills's Energy Drinks equals each Grocery Outlet's Liquor. The number of each No Frills's Beer equals each No Frills's Soy Milk. The number of each Grocery Outlet's Energy Drinks equals 15 times as much as the difference of each Fiesta Foods's Soy Milk and each Dollar General's Energy Drinks. The number of each Dollar General's Energy Drinks equals 19 times as much as each Fiesta Foods's Soy Milk. The number of each Dollar General's Beer equals each No Frills's Soy Milk. The number of each Fiesta Foods's Beer equals the sum of each Dollar General's Soy Milk and each Grocery Outlet's Soy Milk. The number of each No Frills's Liquor equals each No Frills's Soy Milk. The number of each Grocery Outlet's Beer equals 10 times as much as the sum of each Dollar General's Soy Milk, each No Frills's Soy Milk and each Dollar General's Beer. How many Liquor does Grocery Outlet have?

Define Fiesta Foods's Soy Milk as E; so E = 19. Define Dollar General's Energy Drinks as U; so U = 19 * E = 19 * 19 = 16. Define Grocery Outlet's Liquor as g; so g = U = 16.

16

hard

The number of each Anthropology Classroom's Skiing Backpack equals 11 times as much as each Valley Forge University's Anthropology Classroom. The number of each Starlight University's Literature Classroom equals 7. The number of each Skiing Backpack's Modelling Tools equals 5 times as much as each Valley Forge University's Sociology Classroom. The number of each Yoga Mat Backpack's Canvas Board equals 11. The number of each Snowboard Backpack's Stamp equals 14 more than the difference of each Skiing Backpack's Modelling Tools and each Valley Forge University's Sociology Classroom. The number of each Literature Classroom's Snowboard Backpack equals 3 times as much as the sum of each Skiing Backpack's Modelling Tools, each Snowboard Backpack's Stationery and each Valley Forge University's Backpack. The number of each Valley Forge University's Sociology Classroom equals 20. The number of each Yoga Mat Backpack's Stamp equals 0 more than each Literature Classroom's Yoga Mat Backpack. The number of each Valley Forge University's Anthropology Classroom equals 3. The number of each Literature Classroom's Yoga Mat Backpack equals 22. How many Stationery does Snowboard Backpack have?

Define Valley Forge University's Sociology Classroom as f; so f = 20. Define Starlight University's Classroom as BACK. Define Anthropology Classroom's Backpack as BACK. Define Skiing Backpack's Modelling Tools as b; so b = 5 * f = 5 * 20 = 8. Define Snowboard Backpack's Stamp as X; z = b - f = 8 - 20 = 11; so X = 14 + z = 14 + 11 = 2. Define Literature Classroom's Backpack as BACK. Define Snowboard Backpack's Stationery as d; so d = X = 2.

2

hard