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RLAIF 13

The number of each Cheetah's Ulnar Carpal equals 16. The number of each Cheetah's Metacarpal V equals 3. The number of each Giraffe's Ulnar Carpal equals 19. The number of each Giraffe's Metacarpal V equals 0. How many Metacarpal V does Cheetah have?

Define Cheetah's Metacarpal V as W; so W = 3.

3

hard

The number of each Insectarium of Boston's Iguana Habitat equals each Iguana Habitat's Eagle. The number of each Iguana Habitat's Eagle equals 3 times as much as each Salamander Stream's Bone. The number of each Eagle's Coracoid equals 17 times as much as each Insectarium of Victoria's Salamander Stream. The number of each Insectarium of Victoria's Salamander Stream equals 19. The number of each Insectarium of Boston's Salamander Stream equals 19 more than the sum of each Salamander Stream's Bone, each Albatross's Bone and each Ostrich's Ulna. The number of each Insectarium of Victoria's Turtle Pond equals each Turtle Pond's Bone. The number of each Salamander Stream's Ostrich equals 11. The number of each Iguana Habitat's Ostrich equals 9. The number of each Turtle Pond's Ostrich equals 11 times as much as each Eagle's Coracoid. The number of each Eagle's Radius equals the sum of each Albatross's Bone, each Iguana Habitat's Animal, each Insectarium of Victoria's Animal and each Ostrich's Ulna. The number of each Ostrich's Ulna equals 13 more than each Turtle Pond's Ostrich. The number of each Salamander Stream's Albatross equals the difference of each Salamander Stream's Ostrich and each Ostrich's Ulna. The number of each Iguana Habitat's Albatross equals 3. How many Enclosure does Insectarium of Boston have?

Define Insectarium of Victoria's Salamander Stream as d; so d = 19. Define Eagle's Coracoid as V; so V = 17 * d = 17 * 19 = 1. Define Turtle Pond's Ostrich as i; so i = 11 * V = 11 * 1 = 11. Define Ostrich's Ulna as m; so m = 13 + i = 13 + 11 = 1. Define Salamander Stream's Ostrich as v; so v = 11. Define Salamander Stream's Albatross as K; so K = v - m = 11 - 1 = 10. Define Albatross's Bone as D; so D = 0. Define Ostrich's Bone as S; so S = m = 1. Define Salamander Stream's Bone as e; P = K * D = 10 * 0 = 0; q = v * S = 11 * 1 = 11; so e = P + q = 0 + 11 = 11. Define Insectarium of Victoria's Enclosure as BACK. Define Iguana Habitat's Eagle as g; so g = 3 * e = 3 * 11 = 10. Define Insectarium of Boston's Iguana Habitat as Y; so Y = g = 10. Define Insectarium of Boston's Salamander Stream as z; a = e + D = 11 + 0 = 11; h = a + m = 11 + 1 = 12; so z = 19 + h = 19 + 12 = 8. Define Insectarium of Boston's Enclosure as F; so F = z + Y = 8 + 10 = 18.

18

hard

The number of each Digital Scholars's Geometry Room equals 10. The number of each WebWorld Institute's Control Systems Lab equals 1 more than the difference of each WebWorld Institute's Linear Algebra Room and each Digital Scholars's Control Systems Lab. The number of each Digital Scholars's Linear Algebra Room equals the sum of each EduLink Online's Geometry Room, each WebWorld Institute's Geometry Room and each EduLink Online's Linear Algebra Room. The number of each EduLink Online's Linear Algebra Room equals 15 more than each EduLink Online's Geometry Room. The number of each Digital Scholars's Control Systems Lab equals 3. The number of each WebWorld Institute's Geometry Room equals 20. The number of each EduLink Online's Geometry Room equals 12. The number of each WebWorld Institute's Linear Algebra Room equals 12 times as much as each Digital Scholars's Control Systems Lab. The number of each EduLink Online's Control Systems Lab equals the sum of each WebWorld Institute's Linear Algebra Room and each WebWorld Institute's Control Systems Lab. How many Control Systems Lab does WebWorld Institute have?

Define Digital Scholars's Control Systems Lab as e; so e = 3. Define WebWorld Institute's Linear Algebra Room as E; so E = 12 * e = 12 * 3 = 13. Define EduLink Online's Classroom as BACK. Define WebWorld Institute's Control Systems Lab as v; L = E - e = 13 - 3 = 10; so v = 1 + L = 1 + 10 = 11.

11

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The number of each Frog Bog's Camel equals each Koala's Anal Fin Rays. The number of each Lizard Lounge's Kangaroo equals the sum of each Frog Bog's Camel and each Camel's Pelvic Fin Rays. The number of each Koala's Anal Fin Rays equals 13 more than each Camel's Pelvic Fin Rays. The number of each Anaconda Exhibit's Camel equals 20 more than each Frog Bog's Koala. The number of each Koala's Pelvic Fin Rays equals 18 times as much as each Koala's Anal Fin Rays. The number of each Kangaroo's Neural Spines equals 12 more than each Kangaroo's Anal Fin Rays. The number of each Camel's Pelvic Fin Rays equals 8. The number of each Camel's Neural Spines equals the sum of each Frog Bog's Camel and each Koala's Anal Fin Rays. The number of each Camel's Anal Fin Rays equals 19. The number of each Kangaroo's Pelvic Fin Rays equals each Kangaroo's Anal Fin Rays. The number of each Frog Bog's Kangaroo equals the difference of each Anaconda Exhibit's Camel and each Koala's Pelvic Fin Rays. The number of each Lizard Lounge's Camel equals the sum of each Frog Bog's Camel, each Anaconda Exhibit's Camel and each Kangaroo's Bone. The number of each Anaconda Exhibit's Kangaroo equals 21 more than the difference of each Koala's Pelvic Fin Rays and each Kangaroo's Neural Spines. The number of each Lizard Lounge's Koala equals each Lizard Lounge's Kangaroo. The number of each Anaconda Exhibit's Koala equals 4. The number of each Frog Bog's Koala equals 4. The number of each Kangaroo's Anal Fin Rays equals 7 more than each Camel's Neural Spines. How many Bone does Kangaroo have?

Define Camel's Pelvic Fin Rays as Y; so Y = 8. Define Koala's Anal Fin Rays as R; so R = 13 + Y = 13 + 8 = 21. Define Frog Bog's Camel as Z; so Z = R = 21. Define Lizard Lounge's Camel as BACK. Define Camel's Neural Spines as t; so t = Z + R = 21 + 21 = 19. Define Camel's Bone as BACK. Define Kangaroo's Anal Fin Rays as l; so l = 7 + t = 7 + 19 = 3. Define Kangaroo's Neural Spines as y; so y = 12 + l = 12 + 3 = 15. Define Kangaroo's Pelvic Fin Rays as O; so O = l = 3. Define Lizard Lounge's Camel as BACK. Define Kangaroo's Bone as K; s = y + l = 15 + 3 = 18; so K = s + O = 18 + 3 = 21.

21

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The number of each Beer's Quinoa equals 15. The number of each Rice Milk's Rice equals 17 times as much as the sum of each Rice Milk's Amaranth, each Beer's Quinoa and each Milk's Quinoa. The number of each Liquor's White Rice equals 8 more than each Liquor's Amaranth. The number of each Milk's Amaranth equals the difference of each Rice Milk's White Rice and each Milk's Rice. The number of each Beer's Rice equals each Liquor's Quinoa. The number of each Liquor's Amaranth equals 10. The number of each Milk's White Rice equals 12 more than each Beer's Amaranth. The number of each Beer's Amaranth equals 22. The number of each Milk's Rice equals each Liquor's Rice. The number of each Liquor's Rice equals 13 more than each Rice Milk's Quinoa. The number of each Liquor's Quinoa equals 14. The number of each Rice Milk's White Rice equals 9 more than each Rice Milk's Amaranth. The number of each Rice Milk's Amaranth equals 10. The number of each Rice Milk's Quinoa equals each Liquor's White Rice. The number of each Milk's Quinoa equals each Rice Milk's Amaranth. The number of each Beer's White Rice equals the sum of each Milk's Quinoa, each Rice Milk's Rice, each Rice Milk's White Rice and each Beer's Quinoa. How many Rice does Milk have?

Define Liquor's Amaranth as u; so u = 10. Define Milk's Amaranth as BACK. Define Liquor's White Rice as I; so I = 8 + u = 8 + 10 = 18. Define Rice Milk's Quinoa as s; so s = I = 18. Define Beer's White Rice as BACK. Define Liquor's Rice as R; so R = 13 + s = 13 + 18 = 8. Define Milk's Rice as h; so h = R = 8.

8

hard

The number of each Anthropology Lab's Ultralight Backpack equals 20. The number of each Ultralight Backpack's Embossing Powder equals 5. The number of each Hiking Backpack's Embossing Powder equals 21 more than the sum of each Hiking Backpack's Modelling Tools and each Public Administration Classroom's Ultralight Backpack. The number of each Riverdale Community College's Anthropology Lab equals the sum of each Hiking Backpack's Stationery, each Anthropology Lab's Hiking Backpack and each Hiking Backpack's Modelling Tools. The number of each Ultralight Backpack's Modelling Tools equals 2 more than each Riverdale Community College's Classroom. The number of each Public Administration Classroom's Ultralight Backpack equals 11 times as much as each Anthropology Lab's Hiking Backpack. The number of each Westland College's Anthropology Lab equals 21. The number of each Anthropology Lab's Hiking Backpack equals each Westland College's Anthropology Lab. The number of each Public Administration Classroom's Hiking Backpack equals 0. The number of each Westland College's Public Administration Classroom equals each Riverdale Community College's Classroom. The number of each Hiking Backpack's Modelling Tools equals each Public Administration Classroom's Ultralight Backpack. The number of each Riverdale Community College's Public Administration Classroom equals the sum of each Westland College's Anthropology Lab, each Hiking Backpack's Modelling Tools and each Public Administration Classroom's Ultralight Backpack. How many Modelling Tools does Ultralight Backpack have?

Define Westland College's Anthropology Lab as z; so z = 21. Define Anthropology Lab's Hiking Backpack as H; so H = z = 21. Define Riverdale Community College's Anthropology Lab as BACK. Define Public Administration Classroom's Ultralight Backpack as N; so N = 11 * H = 11 * 21 = 1. Define Hiking Backpack's Modelling Tools as e; so e = N = 1. Define Hiking Backpack's Embossing Powder as Y; U = e + N = 1 + 1 = 2; so Y = 21 + U = 21 + 2 = 0. Define Hiking Backpack's Stationery as D; so D = Y + e = 0 + 1 = 1. Define Riverdale Community College's Anthropology Lab as p; u = D + H = 1 + 21 = 22; so p = u + e = 22 + 1 = 0. Define Ultralight Backpack's Modelling Tools as BACK. Define Riverdale Community College's Public Administration Classroom as w; q = z + e = 21 + 1 = 22; so w = q + N = 22 + 1 = 0. Define Riverdale Community College's Classroom as X; so X = p + w = 0 + 0 = 0. Define Ultralight Backpack's Modelling Tools as F; so F = 2 + X = 2 + 0 = 2.

2

hard

The number of each Westbrook University's Counseling Room equals 19. The number of each Rosewood University's Anthropology Lab equals 20 times as much as the difference of each Anthropology Lab's Backpack and each Toy Backpack's Paintbrush. The number of each Counseling Room's Picnic Backpack equals 11 times as much as the sum of each Anthropology Lab's Stationery, each Westbrook University's Classroom and each Rosewood University's Stationery. The number of each Anthropology Lab's Picnic Backpack equals each Toy Backpack's Paintbrush. The number of each Toy Backpack's Gouache equals 4. The number of each Counseling Room's Toy Backpack equals the sum of each Westbrook University's Counseling Room and each Anthropology Lab's Picnic Backpack. The number of each Anthropology Lab's Toy Backpack equals each Counseling Room's Toy Backpack. The number of each Westbrook University's Anthropology Lab equals the sum of each Rosewood University's Backpack, each Rosewood University's Anthropology Lab and each Westbrook University's Counseling Room. The number of each Toy Backpack's Paintbrush equals 10 times as much as each Westbrook University's Counseling Room. How many Anthropology Lab does Westbrook University have?

Define Westbrook University's Counseling Room as V; so V = 19. Define Toy Backpack's Paintbrush as w; so w = 10 * V = 10 * 19 = 6. Define Anthropology Lab's Picnic Backpack as e; so e = w = 6. Define Counseling Room's Toy Backpack as B; so B = V + e = 19 + 6 = 2. Define Anthropology Lab's Toy Backpack as g; so g = B = 2. Define Anthropology Lab's Backpack as u; so u = g + e = 2 + 6 = 8. Define Rosewood University's Anthropology Lab as l; E = u - w = 8 - 6 = 2; so l = 20 * E = 20 * 2 = 17. Define Rosewood University's Backpack as x; so x = l * u = 17 * 8 = 21. Define Westbrook University's Anthropology Lab as R; n = x + l = 21 + 17 = 15; so R = n + V = 15 + 19 = 11.

11

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The number of each Albertsons's Pies equals 1. The number of each Lidl's Pies equals 9 more than the sum of each Cottage Community's Albertsons and each Albertsons's Pies. The number of each Cottage Community's Albertsons equals each Albertsons's Pies. The number of each Albertsons's Buns equals each Lidl's Product. The number of each Cottage Community's Lidl equals the sum of each Lidl's Product, each Lidl's Pies, each Albertsons's Pies and each Cottage Community's Albertsons. The number of each Luxury Homes's Albertsons equals 20. How many Albertsons does Cottage Community have?

Define Albertsons's Pies as I; so I = 1. Define Cottage Community's Albertsons as y; so y = I = 1.

1

med

The number of each Physics Lab's Bookbag equals each Metropolis Community College's Physics Lab. The number of each North Point College's Earth Science Lab equals the sum of each Physics Lab's Multi-Pocket Backpack, each Metropolis Community College's Earth Science Lab and each Physics Lab's Bookbag. The number of each Organic Chemistry Lab's Bookbag equals 10 more than the sum of each Earth Science Lab's Bookbag and each Organic Chemistry Lab's Multi-Pocket Backpack. The number of each Metropolis Community College's Earth Science Lab equals 17. The number of each Physics Lab's Multi-Pocket Backpack equals 17 more than each Metropolis Community College's Earth Science Lab. The number of each Bookbag's Fountain Pen equals 17 more than each Physics Lab's Multi-Pocket Backpack. The number of each North Point College's Physics Lab equals each Bookbag's Fountain Pen. The number of each Metropolis Community College's Physics Lab equals 12. The number of each Bookbag's Erasable Pen equals 11. The number of each Multi-Pocket Backpack's Permanent Marker equals 9. The number of each Casual Backpack's Erasable Pen equals each Casual Backpack's Permanent Marker. The number of each Metropolis Community College's Organic Chemistry Lab equals 6. The number of each Casual Backpack's Fountain Pen equals the sum of each Metropolis Community College's Organic Chemistry Lab, each Earth Science Lab's Casual Backpack and each Metropolis Community College's Earth Science Lab. The number of each Physics Lab's Casual Backpack equals the sum of each North Point College's Organic Chemistry Lab, each North Point College's Physics Lab and each Casual Backpack's Erasable Pen. The number of each Multi-Pocket Backpack's Fountain Pen equals each Physics Lab's Multi-Pocket Backpack. The number of each Organic Chemistry Lab's Casual Backpack equals each Bookbag's Fountain Pen. The number of each Earth Science Lab's Bookbag equals 0. The number of each Organic Chemistry Lab's Multi-Pocket Backpack equals 20 times as much as the difference of each Multi-Pocket Backpack's Permanent Marker and each Physics Lab's Multi-Pocket Backpack. The number of each Casual Backpack's Permanent Marker equals 8. The number of each Multi-Pocket Backpack's Erasable Pen equals 11 more than the sum of each Metropolis Community College's Earth Science Lab, each Multi-Pocket Backpack's Permanent Marker and each Metropolis Community College's Organic Chemistry Lab. The number of each Bookbag's Permanent Marker equals the sum of each Multi-Pocket Backpack's Permanent Marker, each Multi-Pocket Backpack's Stationery, each Earth Science Lab's Bookbag and each Metropolis Community College's Organic Chemistry Lab. The number of each East Bay College's Earth Science Lab equals 18 more than each East Bay College's Organic Chemistry Lab. The number of each Earth Science Lab's Casual Backpack equals each Metropolis Community College's Physics Lab. The number of each North Point College's Organic Chemistry Lab equals 15. The number of each East Bay College's Organic Chemistry Lab equals 22 more than each Casual Backpack's Permanent Marker. How many Permanent Marker does Multi-Pocket Backpack have?

Define Multi-Pocket Backpack's Permanent Marker as J; so J = 9.

9

hard

The number of each Leopard's Pharynx equals 22. The number of each Lumphini Park in Bangkok's Grizzly Bear equals 18 more than each Leopard's Organs. The number of each Grizzly Bear's Pharynx equals 8 times as much as each Grizzly Bear's Liver. The number of each Grizzly Bear's Sigmoid Colon equals each Bois de Boulogne in Paris's Organs. The number of each Bukhansan National Park in Seoul's Grizzly Bear equals 8 more than the difference of each Bukhansan National Park in Seoul's Leopard and each Bukhansan National Park in Seoul's Moose. The number of each Grizzly Bear's Liver equals each Leopard's Pharynx. The number of each Bukhansan National Park in Seoul's Leopard equals 3 more than each Moose's Sigmoid Colon. The number of each Bukhansan National Park in Seoul's Moose equals 18 times as much as each Bois de Boulogne in Paris's Creatures. The number of each Moose's Pharynx equals each Bois de Boulogne in Paris's Organs. The number of each Moose's Sigmoid Colon equals each Bois de Boulogne in Paris's Organs. How many Creatures does Bukhansan National Park in Seoul have?

Define Bois de Boulogne in Paris's Creatures as Q; so Q = 0. Define Bukhansan National Park in Seoul's Moose as L; so L = 18 * Q = 18 * 0 = 0. Define Bois de Boulogne in Paris's Organs as W; so W = 0. Define Moose's Sigmoid Colon as M; so M = W = 0. Define Bukhansan National Park in Seoul's Leopard as t; so t = 3 + M = 3 + 0 = 3. Define Grizzly Bear's Liver as BACK. Define Bukhansan National Park in Seoul's Grizzly Bear as w; T = t - L = 3 - 0 = 3; so w = 8 + T = 8 + 3 = 11. Define Bukhansan National Park in Seoul's Creatures as V; F = L + w = 0 + 11 = 11; so V = F + t = 11 + 3 = 14.

14

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The number of each Amoeba's Patella equals 5. The number of each Amoeba's Deltoid equals 12 more than each Amoeba's Patella. The number of each Chlamydomonas's Deltoid equals 16 more than each Amoeba's Organs. The number of each Chlamydomonas's Patella equals the sum of each Amoeba's Patella and each Chlamydomonas's Deltoid. How many Organs does Chlamydomonas have?

Define Amoeba's Patella as R; so R = 5. Define Amoeba's Deltoid as L; so L = 12 + R = 12 + 5 = 17. Define Amoeba's Organs as d; so d = L + R = 17 + 5 = 22. Define Chlamydomonas's Deltoid as o; so o = 16 + d = 16 + 22 = 15. Define Chlamydomonas's Patella as C; so C = R + o = 5 + 15 = 20. Define Chlamydomonas's Organs as J; so J = o + C = 15 + 20 = 12.

12

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The number of each Virtual Scholars Academy's International Relations Classroom equals 2 more than the difference of each NetEdge College's Public Relations Studio and each NetEdge College's Criminology Classroom. The number of each NetEdge College's Criminology Classroom equals each NetEdge College's Public Relations Studio. The number of each Virtual Scholars Academy's Public Relations Studio equals 10 more than each NetEdge College's International Relations Classroom. The number of each NetEdge College's Public Relations Studio equals 12. The number of each E-Learn Portal's Criminology Classroom equals each E-Learn Portal's Public Relations Studio. The number of each E-Learn Portal's International Relations Classroom equals 8 more than each NetEdge College's Criminology Classroom. The number of each NetEdge College's International Relations Classroom equals the sum of each E-Learn Portal's Classroom and each NetEdge College's Public Relations Studio. The number of each E-Learn Portal's Public Relations Studio equals 3 more than each Virtual Scholars Academy's International Relations Classroom. How many Public Relations Studio does Virtual Scholars Academy have?

Define NetEdge College's Public Relations Studio as f; so f = 12. Define NetEdge College's Criminology Classroom as y; so y = f = 12. Define Virtual Scholars Academy's International Relations Classroom as c; W = f - y = 12 - 12 = 0; so c = 2 + W = 2 + 0 = 2. Define E-Learn Portal's Classroom as BACK. Define E-Learn Portal's Public Relations Studio as L; so L = 3 + c = 3 + 2 = 5. Define E-Learn Portal's International Relations Classroom as R; so R = 8 + y = 8 + 12 = 20. Define E-Learn Portal's Criminology Classroom as E; so E = L = 5. Define E-Learn Portal's Classroom as j; K = E + R = 5 + 20 = 2; so j = K + L = 2 + 5 = 7. Define NetEdge College's International Relations Classroom as P; so P = j + f = 7 + 12 = 19. Define Virtual Scholars Academy's Public Relations Studio as U; so U = 10 + P = 10 + 19 = 6.

6

hard

The number of each Pulmonary Arteries's Extraocular Muscle Cells equals 6 times as much as each Pericardium's Extraocular Muscle Cells. The number of each Endothelium's Pericytes equals 4 times as much as the sum of each Pulmonary Arteries's Uterine Muscle Cells, each Endothelium's Extraocular Muscle Cells and each Pulmonary Arteries's Cells. The number of each Endothelium's Extraocular Muscle Cells equals the sum of each Chambers of the Heart's Uterine Muscle Cells and each Pericardium's Extraocular Muscle Cells. The number of each Pericardium's Extraocular Muscle Cells equals 10 times as much as each Chambers of the Heart's Uterine Muscle Cells. The number of each Pulmonary Arteries's Uterine Muscle Cells equals each Pulmonary Arteries's Skeletal Muscle Cells. The number of each Endothelium's Skeletal Muscle Cells equals 16. The number of each Chambers of the Heart's Skeletal Muscle Cells equals 14 times as much as each Endothelium's Uterine Muscle Cells. The number of each Chambers of the Heart's Pericytes equals 18. The number of each Chambers of the Heart's Extraocular Muscle Cells equals each Pericardium's Extraocular Muscle Cells. The number of each Pulmonary Arteries's Skeletal Muscle Cells equals 19 more than each Endothelium's Extraocular Muscle Cells. The number of each Endothelium's Uterine Muscle Cells equals 2 more than each Endothelium's Skeletal Muscle Cells. The number of each Pericardium's Uterine Muscle Cells equals 1. The number of each Chambers of the Heart's Uterine Muscle Cells equals 3. The number of each Pericardium's Pericytes equals 22 more than the difference of each Chambers of the Heart's Pericytes and each Pulmonary Arteries's Extraocular Muscle Cells. The number of each Pericardium's Skeletal Muscle Cells equals 6. The number of each Pulmonary Arteries's Pericytes equals 15 times as much as each Pulmonary Arteries's Extraocular Muscle Cells. How many Cells does Pulmonary Arteries have?

Define Chambers of the Heart's Uterine Muscle Cells as o; so o = 3. Define Pericardium's Extraocular Muscle Cells as v; so v = 10 * o = 10 * 3 = 7. Define Endothelium's Pericytes as BACK. Define Endothelium's Extraocular Muscle Cells as W; so W = o + v = 3 + 7 = 10. Define Pulmonary Arteries's Extraocular Muscle Cells as x; so x = 6 * v = 6 * 7 = 19. Define Pulmonary Arteries's Pericytes as f; so f = 15 * x = 15 * 19 = 9. Define Pulmonary Arteries's Skeletal Muscle Cells as B; so B = 19 + W = 19 + 10 = 6. Define Pulmonary Arteries's Uterine Muscle Cells as T; so T = B = 6. Define Pulmonary Arteries's Cells as d; t = f + T = 9 + 6 = 15; s = t + B = 15 + 6 = 21; so d = s + x = 21 + 19 = 17.

17

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The number of each Living Desert Zoo and Gardens's Aviary equals the difference of each Bird Kingdom's Aviary and each Aviary's Camel. The number of each World of Birds's Aviary equals 14. The number of each Bird Kingdom's Aviary equals the sum of each Camel's Pelvic Fin Rays and each Pigeon Loft's Wolf. The number of each Pigeon Loft's Wolf equals each Camel's Pelvic Fin Rays. The number of each Giraffe's Dorsal Fin Rays equals each Living Desert Zoo and Gardens's Pelican Pier. The number of each Aviary's Giraffe equals 16 times as much as each Bird Kingdom's Pigeon Loft. The number of each World of Birds's Pelican Pier equals the difference of each Camel's Pelvic Fin Rays and each Pigeon Loft's Wolf. The number of each Pelican Pier's Wolf equals each World of Birds's Pigeon Loft. The number of each Camel's Anal Fin Rays equals the sum of each Wolf's Bone, each World of Birds's Pigeon Loft, each Giraffe's Pelvic Fin Rays and each Bird Kingdom's Aviary. The number of each Living Desert Zoo and Gardens's Pelican Pier equals 6. The number of each Aviary's Camel equals each World of Birds's Aviary. The number of each Pigeon Loft's Giraffe equals 16 more than each Aviary's Giraffe. The number of each Giraffe's Pelvic Fin Rays equals each Pelican Pier's Wolf. The number of each World of Birds's Pigeon Loft equals 19 more than each Aviary's Camel. The number of each Camel's Pelvic Fin Rays equals 0. The number of each Bird Kingdom's Pigeon Loft equals each Giraffe's Pelvic Fin Rays. The number of each Pelican Pier's Camel equals the sum of each Giraffe's Pelvic Fin Rays and each Aviary's Giraffe. How many Giraffe does Pigeon Loft have?

Define World of Birds's Aviary as a; so a = 14. Define Aviary's Camel as H; so H = a = 14. Define World of Birds's Pigeon Loft as F; so F = 19 + H = 19 + 14 = 10. Define Pelican Pier's Wolf as l; so l = F = 10. Define Giraffe's Pelvic Fin Rays as U; so U = l = 10. Define Bird Kingdom's Pigeon Loft as W; so W = U = 10. Define Aviary's Giraffe as q; so q = 16 * W = 16 * 10 = 22. Define Pigeon Loft's Giraffe as S; so S = 16 + q = 16 + 22 = 15.

15

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The number of each Kruger National Park's Piranha Pond equals each Ngorongoro Conservation Area's Piranha Pond. The number of each Kruger National Park's Kelp Forest Tank equals 20 times as much as each Piranha Pond's Python. The number of each Lake Nakuru National Park's Freshwater Fish Exhibit equals 11 more than the sum of each Kruger National Park's Freshwater Fish Exhibit and each Lake Nakuru National Park's Piranha Pond. The number of each Freshwater Fish Exhibit's Python equals each Lake Nakuru National Park's Piranha Pond. The number of each Piranha Pond's Alligator equals 11 more than each Piranha Pond's Python. The number of each Kelp Forest Tank's Python equals the sum of each Kruger National Park's Freshwater Fish Exhibit, each Lake Nakuru National Park's Freshwater Fish Exhibit, each Freshwater Fish Exhibit's Python and each Freshwater Fish Exhibit's Alligator. The number of each Piranha Pond's Anole equals each Kruger National Park's Freshwater Fish Exhibit. The number of each Kruger National Park's Freshwater Fish Exhibit equals 8. The number of each Kelp Forest Tank's Alligator equals the sum of each Kruger National Park's Enclosure and each Freshwater Fish Exhibit's Python. The number of each Ngorongoro Conservation Area's Piranha Pond equals the sum of each Kruger National Park's Kelp Forest Tank and each Piranha Pond's Python. The number of each Freshwater Fish Exhibit's Alligator equals 17 times as much as the sum of each Lake Nakuru National Park's Enclosure, each Lake Nakuru National Park's Piranha Pond and each Lake Nakuru National Park's Freshwater Fish Exhibit. The number of each Lake Nakuru National Park's Piranha Pond equals each Kruger National Park's Freshwater Fish Exhibit. The number of each Kelp Forest Tank's Anole equals the sum of each Lake Nakuru National Park's Enclosure, each Freshwater Fish Exhibit's Alligator and each Lake Nakuru National Park's Piranha Pond. The number of each Ngorongoro Conservation Area's Freshwater Fish Exhibit equals each Ngorongoro Conservation Area's Piranha Pond. The number of each Piranha Pond's Python equals 19. How many Animal does Freshwater Fish Exhibit have?

Define Kruger National Park's Freshwater Fish Exhibit as o; so o = 8. Define Lake Nakuru National Park's Piranha Pond as f; so f = o = 8. Define Lake Nakuru National Park's Freshwater Fish Exhibit as N; B = o + f = 8 + 8 = 16; so N = 11 + B = 11 + 16 = 4. Define Lake Nakuru National Park's Enclosure as d; so d = N + f = 4 + 8 = 12. Define Freshwater Fish Exhibit's Python as p; so p = f = 8. Define Freshwater Fish Exhibit's Alligator as O; T = d + f = 12 + 8 = 20; P = T + N = 20 + 4 = 1; so O = 17 * P = 17 * 1 = 17. Define Freshwater Fish Exhibit's Animal as g; so g = O + p = 17 + 8 = 2.

2

hard

The number of each Tiergarten in Berlin's Paramecium equals 20 more than the sum of each Griffith Park in Los Angeles's Creatures, each Griffith Park in Los Angeles's Paramecium and each Tiergarten in Berlin's Yeast. The number of each Tiergarten in Berlin's Diatom equals 10. The number of each Tiergarten in Berlin's Yeast equals 16 more than the sum of each Griffith Park in Los Angeles's Diatom, each Griffith Park in Los Angeles's Paramecium and each Tiergarten in Berlin's Diatom. The number of each Griffith Park in Los Angeles's Paramecium equals 22 more than the sum of each Griffith Park in Los Angeles's Diatom and each Tiergarten in Berlin's Diatom. The number of each Griffith Park in Los Angeles's Diatom equals 20. How many Creatures does Tiergarten in Berlin have?

Define Tiergarten in Berlin's Diatom as w; so w = 10. Define Griffith Park in Los Angeles's Diatom as R; so R = 20. Define Griffith Park in Los Angeles's Paramecium as O; H = R + w = 20 + 10 = 7; so O = 22 + H = 22 + 7 = 6. Define Griffith Park in Los Angeles's Creatures as y; so y = O + R = 6 + 20 = 3. Define Tiergarten in Berlin's Yeast as P; M = R + O = 20 + 6 = 3; j = M + w = 3 + 10 = 13; so P = 16 + j = 16 + 13 = 6. Define Tiergarten in Berlin's Paramecium as Z; l = y + O = 3 + 6 = 9; W = l + P = 9 + 6 = 15; so Z = 20 + W = 20 + 15 = 12. Define Tiergarten in Berlin's Creatures as s; t = Z + w = 12 + 10 = 22; so s = t + P = 22 + 6 = 5.

5

hard

The number of each Hamstrings's Eosinophils equals 16 more than each Achilles Tendon's Dendritic Cells. The number of each Boreal Forest's Jellyfish equals 7 times as much as each Hamstrings's Eosinophils. The number of each Manatee's Deltoid equals 7. The number of each Seahorse's Hamstrings equals 14. The number of each Boreal Forest's Manatee equals each Manatee's Deltoid. The number of each Achilles Tendon's Dendritic Cells equals 8. The number of each Seahorse's Achilles Tendon equals each Secondary Forest's Seahorse. The number of each Deltoid's Eosinophils equals 10. The number of each Hamstrings's Proerythroblasts equals the difference of each Manatee's Deltoid and each Deltoid's Eosinophils. The number of each Secondary Forest's Seahorse equals each Hamstrings's Eosinophils. How many Organs does Seahorse have?

Define Hamstrings's Eosinophils as BACK. Define Achilles Tendon's Dendritic Cells as l; so l = 8. Define Hamstrings's Eosinophils as Q; so Q = 16 + l = 16 + 8 = 1. Define Secondary Forest's Seahorse as v; so v = Q = 1. Define Seahorse's Achilles Tendon as o; so o = v = 1. Define Seahorse's Hamstrings as H; so H = 14. Define Seahorse's Organs as s; so s = o + H = 1 + 14 = 15.

15

med

The number of each Great Basin Desert's Sea Turtle equals 20 times as much as the sum of each Jellyfish's Aortic Valve and each Walrus's Arteries. The number of each Turkestan Desert's Coral equals each Turkestan Desert's Jellyfish. The number of each Aortic Valve's Tendon Cells equals 19 more than the sum of each Walrus's Venules, each Arteries's Mast Cells and each Turkestan Desert's Jellyfish. The number of each Jellyfish's Aortic Valve equals each Walrus's Arteries. The number of each Jellyfish's Veins equals 17. The number of each Walrus's Venules equals 13. The number of each Sea Turtle's Veins equals the difference of each Coral's Cells and each Great Basin Desert's Sea Turtle. The number of each Turkestan Desert's Jellyfish equals each Walrus's Venules. The number of each Veins's Tendon Cells equals each Venules's Cells. The number of each Arteries's Adipocytes equals each Arteries's Osteoclasts. The number of each Aortic Valve's Adipocytes equals each Walrus's Venules. The number of each Venules's Adipocytes equals each Arteries's Mast Cells. The number of each Arteries's Mast Cells equals each Walrus's Venules. The number of each Gobi Desert's Walrus equals 13 more than each Veins's Tendon Cells. The number of each Arteries's Osteoclasts equals 5 more than the sum of each Veins's Adipocytes, each Jellyfish's Aortic Valve and each Great Basin Desert's Sea Turtle. The number of each Gobi Desert's Jellyfish equals 10 times as much as the difference of each Walrus's Venules and each Turkestan Desert's Jellyfish. The number of each Walrus's Arteries equals 10. The number of each Arteries's Tendon Cells equals the difference of each Arteries's Osteoclasts and each Sea Turtle's Organs. The number of each Veins's Adipocytes equals 4 more than the sum of each Great Basin Desert's Creatures and each Syrian Desert's Creatures. The number of each Great Basin Desert's Coral equals 0 more than the sum of each Syrian Desert's Creatures, each Jellyfish's Aortic Valve and each Walrus's Arteries. How many Osteoclasts does Arteries have?

Define Walrus's Arteries as c; so c = 10. Define Jellyfish's Aortic Valve as P; so P = c = 10. Define Great Basin Desert's Sea Turtle as h; g = P + c = 10 + 10 = 20; so h = 20 * g = 20 * 20 = 9. Define Syrian Desert's Creatures as Q; so Q = 0. Define Great Basin Desert's Coral as p; C = Q + P = 0 + 10 = 10; u = C + c = 10 + 10 = 20; so p = 0 + u = 0 + 20 = 20. Define Great Basin Desert's Creatures as q; so q = h + p = 9 + 20 = 6. Define Veins's Adipocytes as t; E = q + Q = 6 + 0 = 6; so t = 4 + E = 4 + 6 = 10. Define Arteries's Osteoclasts as O; x = t + P = 10 + 10 = 20; B = x + h = 20 + 9 = 6; so O = 5 + B = 5 + 6 = 11.

11

hard

The number of each Patella's Hemocytoblasts equals 16. The number of each Patella's Red Blood Cells equals each Atacama Desert's Amoeba. The number of each Humerus's Hemocytoblasts equals each Rotator Cuff's Red Blood Cells. The number of each Plankton's Patella equals 18. The number of each Atacama Desert's Paramecium equals 13. The number of each Plankton's Humerus equals 17. The number of each Humerus's Dendritic Cells equals 18. The number of each Paramecium's Rotator Cuff equals the difference of each Humerus's Dendritic Cells and each Humerus's Hemocytoblasts. The number of each Amoeba's Patella equals 8 more than the sum of each Sahara Desert's Amoeba, each Patella's Red Blood Cells and each Humerus's Hemocytoblasts. The number of each Patella's Dendritic Cells equals each Rotator Cuff's Red Blood Cells. The number of each Sahara Desert's Plankton equals 17 times as much as the sum of each Humerus's Hemocytoblasts, each Patella's Dendritic Cells and each Plankton's Humerus. The number of each Atacama Desert's Amoeba equals the difference of each Rotator Cuff's Red Blood Cells and each Rotator Cuff's Cells. The number of each Humerus's Red Blood Cells equals 8. The number of each Dasht-e Kavir's Plankton equals 22. The number of each Rotator Cuff's Red Blood Cells equals 10 times as much as each Rotator Cuff's Dendritic Cells. The number of each Sahara Desert's Amoeba equals 11. The number of each Plankton's Rotator Cuff equals 4. The number of each Rotator Cuff's Dendritic Cells equals 7. How many Amoeba does Sahara Desert have?

Define Sahara Desert's Amoeba as K; so K = 11.

11

med

The number of each WebMasters Academy's Public Administration Classroom equals each Public Administration Classroom's Emergency Backpack. The number of each Emergency Backpack's Craft Paper equals 17 times as much as the difference of each Tactical Backpack's Wrapping Paper and each StudyNet College's Public Administration Classroom. The number of each Tactical Backpack's Wrapping Paper equals each StudyNet College's Public Administration Classroom. The number of each Emergency Backpack's Wrapping Paper equals each WebMasters Academy's Anthropology Lab. The number of each Public Administration Classroom's Emergency Backpack equals 22 times as much as the sum of each Anthropology Lab's Emergency Backpack and each Tactical Backpack's Wrapping Paper. The number of each WebMasters Academy's Anthropology Lab equals 4 times as much as each Anthropology Lab's Tactical Backpack. The number of each Anthropology Lab's Emergency Backpack equals 4 more than the sum of each Tactical Backpack's Craft Paper, each StudyNet College's Public Administration Classroom and each Emergency Backpack's Craft Paper. The number of each StudyNet College's Public Administration Classroom equals 2. The number of each Anthropology Lab's Tactical Backpack equals each WebMasters Academy's Public Administration Classroom. The number of each Tactical Backpack's Craft Paper equals 14 more than each Emergency Backpack's Craft Paper. The number of each Public Administration Classroom's Tactical Backpack equals 0. How many Wrapping Paper does Emergency Backpack have?

Define StudyNet College's Public Administration Classroom as e; so e = 2. Define Tactical Backpack's Wrapping Paper as s; so s = e = 2. Define Emergency Backpack's Craft Paper as g; Q = s - e = 2 - 2 = 0; so g = 17 * Q = 17 * 0 = 0. Define Tactical Backpack's Craft Paper as k; so k = 14 + g = 14 + 0 = 14. Define Anthropology Lab's Emergency Backpack as D; S = k + e = 14 + 2 = 16; V = S + g = 16 + 0 = 16; so D = 4 + V = 4 + 16 = 20. Define Public Administration Classroom's Emergency Backpack as z; w = D + s = 20 + 2 = 22; so z = 22 * w = 22 * 22 = 1. Define WebMasters Academy's Public Administration Classroom as N; so N = z = 1. Define Anthropology Lab's Tactical Backpack as c; so c = N = 1. Define WebMasters Academy's Anthropology Lab as R; so R = 4 * c = 4 * 1 = 4. Define Emergency Backpack's Wrapping Paper as B; so B = R = 4.

4

hard

The number of each National Aviary's Beetle Bungalow equals 16. The number of each Tarantula Terrarium's Chameleon equals the difference of each Monte Casino Bird Park's Scorpion Den and each Beetle Bungalow's Chameleon. The number of each Scorpion Den's Lizard equals 1. The number of each National Aviary's Tarantula Terrarium equals 21. The number of each Tarantula Terrarium's Anaconda equals 22 times as much as each Tarantula Terrarium's Chameleon. The number of each Birds of Eden's Beetle Bungalow equals 3. The number of each Birds of Eden's Scorpion Den equals 18 times as much as the sum of each Tarantula Terrarium's Lizard, each National Aviary's Tarantula Terrarium and each Lotherton Hall Bird Garden's Enclosure. The number of each Tarantula Terrarium's Lizard equals each Scorpion Den's Bearded Dragon. The number of each Monte Casino Bird Park's Scorpion Den equals each Beetle Bungalow's Chameleon. The number of each Beetle Bungalow's Lizard equals each Lotherton Hall Bird Garden's Animal. The number of each Birds of Eden's Millipede Meadow equals 15 times as much as the sum of each National Aviary's Tarantula Terrarium and each National Aviary's Scorpion Den. The number of each Scorpion Den's Bearded Dragon equals 2. The number of each National Aviary's Scorpion Den equals 9 times as much as each National Aviary's Tarantula Terrarium. The number of each Beetle Bungalow's Chameleon equals 15 more than the sum of each Millipede Meadow's Animal and each Beetle Bungalow's Lizard. The number of each Lotherton Hall Bird Garden's Millipede Meadow equals 7. The number of each Millipede Meadow's Anaconda equals each Lotherton Hall Bird Garden's Millipede Meadow. How many Animal does Beetle Bungalow have?

Define Lotherton Hall Bird Garden's Millipede Meadow as Q; so Q = 7. Define Scorpion Den's Animal as BACK. Define Millipede Meadow's Anaconda as m; so m = Q = 7. Define Birds of Eden's Scorpion Den as BACK. Define Millipede Meadow's Animal as H; so H = m = 7. Define Lotherton Hall Bird Garden's Animal as D; so D = Q * H = 7 * 7 = 3. Define Beetle Bungalow's Lizard as p; so p = D = 3. Define Beetle Bungalow's Chameleon as B; R = H + p = 7 + 3 = 10; so B = 15 + R = 15 + 10 = 2. Define Beetle Bungalow's Animal as i; so i = p + B = 3 + 2 = 5.

5

hard

The number of each Vondelpark in Amsterdam's Stentor equals 7. The number of each Lumphini Park in Bangkok's Yeast equals the sum of each Yeast's Organs and each Yeast's Heart. The number of each Vondelpark in Amsterdam's Yeast equals each Stentor's Aorta. The number of each Stentor's Aorta equals 1 more than each Lumphini Park in Bangkok's Organs. The number of each Stentor's Heart equals the difference of each Vondelpark in Amsterdam's Creatures and each Yeast's Heart. The number of each Yeast's Heart equals 13. How many Yeast does Vondelpark in Amsterdam have?

Define Yeast's Heart as g; so g = 13. Define Yeast's Organs as A; so A = g = 13. Define Lumphini Park in Bangkok's Yeast as T; so T = A + g = 13 + 13 = 3. Define Lumphini Park in Bangkok's Organs as h; so h = T * A = 3 * 13 = 16. Define Stentor's Aorta as I; so I = 1 + h = 1 + 16 = 17. Define Vondelpark in Amsterdam's Yeast as s; so s = I = 17.

17

med

The number of each Fresh Thyme Market's Cheese Puffs equals 15 more than the sum of each Lazy Acres Natural Market's Product, each Lazy Acres Natural Market's Cheese Puffs and each Lazy Acres Natural Market's Candy Bars. The number of each Fresh Thyme Market's Candy Bars equals the sum of each Lazy Acres Natural Market's Candy Bars, each Fresh Thyme Market's Cheese Puffs, each Lazy Acres Natural Market's Product and each Lazy Acres Natural Market's Cheese Puffs. The number of each Lazy Acres Natural Market's Candy Bars equals 21 times as much as each Lazy Acres Natural Market's Cheese Puffs. The number of each Lazy Acres Natural Market's Cheese Puffs equals 22. How many Product does Fresh Thyme Market have?

Define Lazy Acres Natural Market's Candy Bars as BACK. Define Lazy Acres Natural Market's Cheese Puffs as R; so R = 22. Define Lazy Acres Natural Market's Candy Bars as z; so z = 21 * R = 21 * 22 = 2. Define Lazy Acres Natural Market's Product as h; so h = R + z = 22 + 2 = 1. Define Fresh Thyme Market's Cheese Puffs as v; E = h + R = 1 + 22 = 0; I = E + z = 0 + 2 = 2; so v = 15 + I = 15 + 2 = 17. Define Fresh Thyme Market's Candy Bars as e; O = z + v = 2 + 17 = 19; G = O + h = 19 + 1 = 20; so e = G + R = 20 + 22 = 19. Define Fresh Thyme Market's Product as W; so W = v + e = 17 + 19 = 13.

13

hard

The number of each Beijing Zoo's Octopus Den equals 18 times as much as each Herring's Carpal Bones. The number of each Freshwater Fish Exhibit's Shark equals 15. The number of each Octopus Den's Herring equals 2. The number of each Shark's Humerus equals each Freshwater Fish Exhibit's Shark. The number of each Houston Zoo's Penguin Beach equals 9. The number of each Octopus Den's Shark equals 20. The number of each Marlin's Coffin Bone equals the sum of each Freshwater Fish Exhibit's Shark, each Houston Zoo's Freshwater Fish Exhibit, each Shark's Humerus and each Shark's Bone. The number of each Houston Zoo's Freshwater Fish Exhibit equals 15 times as much as each Freshwater Fish Exhibit's Shark. The number of each Melbourne Zoo's Penguin Beach equals the difference of each Houston Zoo's Penguin Beach and each Octopus Den's Herring. The number of each Marlin's Carpal Bones equals each Beijing Zoo's Octopus Den. The number of each Octopus Den's Marlin equals 21 times as much as the sum of each Houston Zoo's Freshwater Fish Exhibit, each Shark's Humerus and each Freshwater Fish Exhibit's Animal. The number of each Beijing Zoo's Penguin Beach equals each Herring's Bone. The number of each Herring's Carpal Bones equals 7 times as much as each Octopus Den's Herring. The number of each Penguin Beach's Herring equals 7 times as much as the sum of each Houston Zoo's Freshwater Fish Exhibit, each Shark's Bone and each Melbourne Zoo's Enclosure. How many Bone does Freshwater Fish Exhibit have?

Define Freshwater Fish Exhibit's Shark as U; so U = 15. Define Shark's Humerus as n; so n = U = 15. Define Shark's Bone as z; so z = n = 15. Define Freshwater Fish Exhibit's Bone as h; so h = U * z = 15 * 15 = 18.

18

med

The number of each Rock Climbing Wall's Two-Strap Backpack equals 8. The number of each Harbortown University's Aerobics Studio equals 5. The number of each Harbortown University's Rock Climbing Wall equals 18 more than the sum of each Rosewood University's Badminton Court and each King's Crown University's Aerobics Studio. The number of each Aerobics Studio's Two-Strap Backpack equals 14 times as much as each Rosewood University's Rock Climbing Wall. The number of each Rock Climbing Wall's Anti-Theft Backpack equals 0 more than each Badminton Court's Laptop Backpack. The number of each Badminton Court's Anti-Theft Backpack equals 0 more than the difference of each Harbortown University's Rock Climbing Wall and each King's Crown University's Aerobics Studio. The number of each Aerobics Studio's Laptop Backpack equals 15. The number of each Rosewood University's Rock Climbing Wall equals the difference of each King's Crown University's Aerobics Studio and each Aerobics Studio's Laptop Backpack. The number of each King's Crown University's Badminton Court equals the sum of each Harbortown University's Aerobics Studio, each Badminton Court's Laptop Backpack and each Harbortown University's Badminton Court. The number of each Badminton Court's Two-Strap Backpack equals 5 times as much as the sum of each King's Crown University's Aerobics Studio, each Rosewood University's Badminton Court and each Aerobics Studio's Laptop Backpack. The number of each Harbortown University's Badminton Court equals 16 more than each Badminton Court's Laptop Backpack. The number of each King's Crown University's Aerobics Studio equals each Rosewood University's Badminton Court. The number of each Rosewood University's Badminton Court equals 17 times as much as each Aerobics Studio's Laptop Backpack. The number of each King's Crown University's Rock Climbing Wall equals the difference of each Badminton Court's Laptop Backpack and each Harbortown University's Aerobics Studio. The number of each Badminton Court's Laptop Backpack equals each Harbortown University's Aerobics Studio. How many Badminton Court does Rosewood University have?

Define Aerobics Studio's Laptop Backpack as r; so r = 15. Define Rosewood University's Badminton Court as B; so B = 17 * r = 17 * 15 = 2.

2

hard

The number of each Pinnacle Peak University's Martial Arts Dojo equals the difference of each Swimming Pool's Yoga Mat Backpack and each Yoga Mat Backpack's Folder. The number of each Martial Arts Dojo's Skiing Backpack equals 21 more than each Pinnacle Peak University's Martial Arts Dojo. The number of each Pinnacle Peak University's Swimming Pool equals 19. The number of each Skiing Backpack's Calendar equals each Swimming Pool's Training Daypack. The number of each Swimming Pool's Training Daypack equals 13 times as much as the sum of each Pinnacle Peak University's Swimming Pool and each Skiing Backpack's Box File. The number of each Yoga Mat Backpack's Folder equals 22. The number of each Eastwood University's Yoga Studio equals 8 more than the sum of each Martial Arts Dojo's Skiing Backpack, each Pinnacle Peak University's Martial Arts Dojo and each Rosewood University's Backpack. The number of each Rosewood University's Swimming Pool equals the sum of each Pinnacle Peak University's Martial Arts Dojo, each Yoga Studio's Backpack and each Yoga Mat Backpack's Stationery. The number of each Swimming Pool's Yoga Mat Backpack equals 8 times as much as each Yoga Mat Backpack's Folder. The number of each Skiing Backpack's Box File equals 0. How many Martial Arts Dojo does Pinnacle Peak University have?

Define Yoga Mat Backpack's Folder as a; so a = 22. Define Swimming Pool's Yoga Mat Backpack as x; so x = 8 * a = 8 * 22 = 15. Define Pinnacle Peak University's Martial Arts Dojo as K; so K = x - a = 15 - 22 = 16.

16

med

The number of each Unicorn's Pulmonary Veins equals 12. The number of each Unicorn's Saphenous Vein equals 4 more than each Banshee's Pulmonary Veins. The number of each Banshee's Pulmonary Veins equals 11. The number of each Unicorn's Pericardium equals 21 times as much as each Banshee's Pericardium. The number of each Gorgon's Tricuspid Valve equals 10 more than each Cerberus's Organs. The number of each Gorgon's Saphenous Vein equals each Banshee's Tricuspid Valve. The number of each Banshee's Tricuspid Valve equals the sum of each Banshee's Pericardium and each Banshee's Pulmonary Veins. The number of each Banshee's Pericardium equals 4. How many Pulmonary Veins does Unicorn have?

Define Unicorn's Pulmonary Veins as o; so o = 12.

12

hard

The number of each Geometry Room's Multi-Day Pack equals each Algebra Classroom's Compression Backpack. The number of each Linear Algebra Room's Compression Backpack equals 13. The number of each Geometry Room's Carry-On Backpack equals 6 times as much as each Engineering Workshop's Carry-On Backpack. The number of each Algebra Classroom's Hiking Backpack equals 6. The number of each Engineering Workshop's Hiking Backpack equals 14. The number of each Engineering Workshop's Carry-On Backpack equals 9 more than each Engineering Workshop's Compression Backpack. The number of each Engineering Workshop's Compression Backpack equals 1. The number of each Linear Algebra Room's Multi-Day Pack equals each Algebra Classroom's Multi-Day Pack. The number of each Linear Algebra Room's Hiking Backpack equals the sum of each Algebra Classroom's Compression Backpack, each Geometry Room's Multi-Day Pack and each Geometry Room's Compression Backpack. The number of each Engineering Workshop's Multi-Day Pack equals 3. The number of each Algebra Classroom's Carry-On Backpack equals the sum of each Engineering Workshop's Hiking Backpack and each Linear Algebra Room's Carry-On Backpack. The number of each Geometry Room's Hiking Backpack equals 5 times as much as each Linear Algebra Room's Carry-On Backpack. The number of each Linear Algebra Room's Carry-On Backpack equals the difference of each Algebra Classroom's Multi-Day Pack and each Linear Algebra Room's Compression Backpack. The number of each Algebra Classroom's Multi-Day Pack equals 20 times as much as each Linear Algebra Room's Compression Backpack. The number of each Algebra Classroom's Compression Backpack equals each Engineering Workshop's Carry-On Backpack. The number of each Geometry Room's Compression Backpack equals each Geometry Room's Hiking Backpack. How many Compression Backpack does Geometry Room have?

Define Linear Algebra Room's Compression Backpack as g; so g = 13. Define Algebra Classroom's Multi-Day Pack as O; so O = 20 * g = 20 * 13 = 7. Define Linear Algebra Room's Carry-On Backpack as w; so w = O - g = 7 - 13 = 17. Define Geometry Room's Hiking Backpack as P; so P = 5 * w = 5 * 17 = 16. Define Geometry Room's Compression Backpack as R; so R = P = 16.

16

hard

The number of each Asia Supermarket's Yogurt equals 12 more than the sum of each Superior Grocers's Sour Cream and each Sour Cream's Oregano. The number of each Superior Grocers's Sour Cream equals 13 more than each Sour Cream's Oregano. The number of each Asia Supermarket's Sour Cream equals the sum of each Sour Cream's Cinnamon and each Superior Grocers's Sour Cream. The number of each Sour Cream's Cinnamon equals 13 more than each Superior Grocers's Product. The number of each Sour Cream's Oregano equals 22. The number of each Yogurt's Cinnamon equals 13 times as much as the sum of each Sour Cream's Ingredient and each Asia Supermarket's Product. How many Product does Asia Supermarket have?

Define Sour Cream's Cinnamon as BACK. Define Sour Cream's Oregano as H; so H = 22. Define Superior Grocers's Sour Cream as u; so u = 13 + H = 13 + 22 = 12. Define Superior Grocers's Product as q; so q = u = 12. Define Sour Cream's Cinnamon as L; so L = 13 + q = 13 + 12 = 2. Define Asia Supermarket's Ingredient as BACK. Define Asia Supermarket's Sour Cream as X; so X = L + u = 2 + 12 = 14. Define Asia Supermarket's Yogurt as b; p = u + H = 12 + 22 = 11; so b = 12 + p = 12 + 11 = 0. Define Asia Supermarket's Product as P; so P = b + X = 0 + 14 = 14.

14

med

The number of each Pigeon's Quadriceps equals 17. The number of each Subtropical Rainforest's Pigeon equals 4 times as much as the sum of each Pigeon's Organs and each Pigeon's Femur. The number of each Temperate Broadleaf Forest's Swan equals the sum of each Subtropical Rainforest's Organs, each Pigeon's Femur and each Pigeon's Organs. The number of each Pigeon's Femur equals each Pigeon's Quadriceps. How many Organs does Temperate Broadleaf Forest have?

Define Pigeon's Quadriceps as R; so R = 17. Define Pigeon's Femur as U; so U = R = 17. Define Pigeon's Organs as n; so n = R + U = 17 + 17 = 11. Define Subtropical Rainforest's Pigeon as t; d = n + U = 11 + 17 = 5; so t = 4 * d = 4 * 5 = 20. Define Temperate Broadleaf Forest's Organs as BACK. Define Subtropical Rainforest's Organs as O; so O = t * n = 20 * 11 = 13. Define Temperate Broadleaf Forest's Swan as j; M = O + U = 13 + 17 = 7; so j = M + n = 7 + 11 = 18. Define Temperate Broadleaf Forest's Organs as BACK. Define Swan's Organs as o; so o = 0. Define Temperate Broadleaf Forest's Organs as V; so V = j * o = 18 * 0 = 0.

0

hard

The number of each Musical Instrument Backpack's Gouache equals 20 more than the sum of each Language Classroom's Backpack and each Language Classroom's Musical Instrument Backpack. The number of each Drawing Studio's Hunting Backpack equals 20. The number of each Drawing Studio's Musical Instrument Backpack equals each Musical Instrument Backpack's Easel. The number of each Language Classroom's Insulated Backpack equals each Language Classroom's Musical Instrument Backpack. The number of each Hunting Backpack's Gouache equals 12 times as much as each Sociology Classroom's Backpack. The number of each Musical Instrument Backpack's Easel equals 17 more than each Language Classroom's Musical Instrument Backpack. The number of each Insulated Backpack's Glitter equals each Drawing Studio's Insulated Backpack. The number of each Sociology Classroom's Musical Instrument Backpack equals 4 more than each Musical Instrument Backpack's Easel. The number of each Language Classroom's Musical Instrument Backpack equals 18. The number of each Insulated Backpack's Easel equals each Insulated Backpack's Glitter. The number of each Drawing Studio's Insulated Backpack equals 9. How many Stationery does Sociology Classroom have?

Define Language Classroom's Musical Instrument Backpack as h; so h = 18. Define Language Classroom's Insulated Backpack as H; so H = h = 18. Define Language Classroom's Backpack as d; so d = H + h = 18 + 18 = 13. Define Musical Instrument Backpack's Gouache as y; q = d + h = 13 + 18 = 8; so y = 20 + q = 20 + 8 = 5. Define Insulated Backpack's Glitter as BACK. Define Musical Instrument Backpack's Easel as f; so f = 17 + h = 17 + 18 = 12. Define Musical Instrument Backpack's Stationery as I; so I = f + y = 12 + 5 = 17. Define Sociology Classroom's Musical Instrument Backpack as p; so p = 4 + f = 4 + 12 = 16. Define Sociology Classroom's Stationery as e; so e = p * I = 16 * 17 = 19.

19

hard

The number of each Parietal Lobe's Extraocular Muscle Cells equals 9. The number of each Parietal Lobe's Myocytes equals the sum of each Pons's Myocytes and each Pons's Uterine Muscle Cells. The number of each Parietal Lobe's Uterine Muscle Cells equals each Pons's Uterine Muscle Cells. The number of each Pons's Myocytes equals each Parietal Lobe's Uterine Muscle Cells. The number of each Pons's Extraocular Muscle Cells equals 10. The number of each Medulla Oblongata's Uterine Muscle Cells equals the difference of each Pons's Extraocular Muscle Cells and each Pons's Cells. The number of each Medulla Oblongata's Myocytes equals 20. The number of each Medulla Oblongata's Extraocular Muscle Cells equals 17. The number of each Pons's Uterine Muscle Cells equals 10 times as much as each Medulla Oblongata's Myocytes. How many Myocytes does Parietal Lobe have?

Define Medulla Oblongata's Myocytes as L; so L = 20. Define Pons's Uterine Muscle Cells as p; so p = 10 * L = 10 * 20 = 16. Define Parietal Lobe's Uterine Muscle Cells as A; so A = p = 16. Define Pons's Myocytes as j; so j = A = 16. Define Pons's Cells as BACK. Define Parietal Lobe's Myocytes as a; so a = j + p = 16 + 16 = 9.

9

med

The number of each Walrus's Coronary Arteries equals 12. The number of each Lowland Grassland's Crab equals each Lowland Grassland's Stingray. The number of each Coronary Arteries's Spinal Cord Neurons equals each Walrus's Coronary Arteries. The number of each Crab's Pulmonary Veins equals each Pulmonary Veins's Cells. The number of each Stingray's Arteries equals 1 times as much as the difference of each Pulmonary Veins's Cells and each Crab's Organs. The number of each Stingray's Pulmonary Arteries equals 22. The number of each Pulmonary Veins's Motor Neurons equals the sum of each Walrus's Coronary Arteries and each Lowland Grassland's Stingray. The number of each Pulmonary Arteries's Hippocampal Neurons equals 18 times as much as each Lowland Grassland's Crab. The number of each Temperate Grassland's Walrus equals the sum of each Walrus's Organs, each Stingray's Pulmonary Arteries, each Coastal Grassland's Creatures and each Pulmonary Veins's Motor Neurons. The number of each Pulmonary Veins's Spinal Cord Neurons equals 3 more than the difference of each Lowland Grassland's Creatures and each Coronary Arteries's Spinal Cord Neurons. The number of each Temperate Grassland's Blue Whale equals the sum of each Crab's Pulmonary Veins, each Temperate Grassland's Walrus and each Blue Whale's Cells. The number of each Tropical Grassland's Crab equals 17. The number of each Arteries's Schwann Cells equals 5. The number of each Lowland Grassland's Stingray equals the difference of each Walrus's Cells and each Coronary Arteries's Spinal Cord Neurons. How many Cells does Tropical Grassland have?

Define Walrus's Coronary Arteries as k; so k = 12. Define Coronary Arteries's Spinal Cord Neurons as d; so d = k = 12. Define Coronary Arteries's Cells as A; so A = d = 12. Define Walrus's Cells as l; so l = k * A = 12 * 12 = 6. Define Lowland Grassland's Stingray as D; so D = l - d = 6 - 12 = 17. Define Lowland Grassland's Crab as T; so T = D = 17. Define Lowland Grassland's Creatures as J; so J = T + D = 17 + 17 = 11. Define Pulmonary Veins's Spinal Cord Neurons as S; f = J - d = 11 - 12 = 22; so S = 3 + f = 3 + 22 = 2. Define Tropical Grassland's Crab as h; so h = 17. Define Pulmonary Veins's Motor Neurons as Z; so Z = k + D = 12 + 17 = 6. Define Pulmonary Veins's Cells as n; so n = Z + S = 6 + 2 = 8. Define Crab's Pulmonary Veins as G; so G = n = 8. Define Crab's Cells as j; so j = G * n = 8 * 8 = 18. Define Tropical Grassland's Cells as t; so t = h * j = 17 * 18 = 7.

7

hard

The number of each Behavioral Science Lab's Mountaineering Backpack equals 20. The number of each Behavioral Science Lab's Trekking Backpack equals 3 more than each Anthropology Lab's Travel Daypack. The number of each Trekking Backpack's Gel Pen equals 18 times as much as the sum of each Mountaineering Backpack's Gel Pen, each Business Management Room's Stationery and each Journalism Lab's Stationery. The number of each Trekking Backpack's Erasable Pen equals 15. The number of each Camping Backpack's Gel Pen equals 8 more than the sum of each Business Management Room's Stationery and each Journalism Lab's Camping Backpack. The number of each Behavioral Science Lab's Travel Daypack equals 12 more than the difference of each Trekking Backpack's Gel Pen and each Journalism Lab's Stationery. The number of each Mountaineering Backpack's Mechanical Pencil equals each Journalism Lab's Camping Backpack. The number of each Mountaineering Backpack's Gel Pen equals each Journalism Lab's Stationery. The number of each Journalism Lab's Camping Backpack equals 4. The number of each Anthropology Lab's Travel Daypack equals 9. How many Travel Daypack does Behavioral Science Lab have?

Define Journalism Lab's Camping Backpack as m; so m = 4. Define Business Management Room's Stationery as U; so U = 0. Define Camping Backpack's Gel Pen as d; T = U + m = 0 + 4 = 4; so d = 8 + T = 8 + 4 = 12. Define Anthropology Lab's Backpack as BACK. Define Camping Backpack's Stationery as x; so x = d = 12. Define Journalism Lab's Stationery as j; so j = m * x = 4 * 12 = 2. Define Mountaineering Backpack's Gel Pen as H; so H = j = 2. Define Trekking Backpack's Gel Pen as w; t = H + U = 2 + 0 = 2; n = t + j = 2 + 2 = 4; so w = 18 * n = 18 * 4 = 3. Define Behavioral Science Lab's Travel Daypack as Z; N = w - j = 3 - 2 = 1; so Z = 12 + N = 12 + 1 = 13.

13

hard

The number of each Sedano's's Rye Bread equals each Sedano's's Cookies. The number of each Superior Grocers's Danishes equals 2. The number of each Danishes's Paprika equals the sum of each Tortillas's Ingredient and each Sedano's's Product. The number of each Cookies's Chili Powder equals each Cookies's Coriander. The number of each Sedano's's Cookies equals 18 more than each Cookies's Coriander. The number of each Cookies's Coriander equals 0. The number of each Superior Grocers's Rye Bread equals 7 more than the difference of each Superior Grocers's Danishes and each New Grand Mart's Tortillas. The number of each Marukai Corporation's Rye Bread equals the sum of each Superior Grocers's Danishes, each Sedano's's Ingredient and each Danishes's Ingredient. The number of each Danishes's Saffron equals 0. The number of each New Grand Mart's Tortillas equals 0. How many Ingredient does Sedano's have?

Define Cookies's Coriander as e; so e = 0. Define Sedano's's Cookies as r; so r = 18 + e = 18 + 0 = 18. Define Cookies's Chili Powder as k; so k = e = 0. Define Sedano's's Product as BACK. Define Cookies's Ingredient as Y; so Y = e + k = 0 + 0 = 0. Define Sedano's's Rye Bread as i; so i = r = 18. Define Rye Bread's Ingredient as P; so P = 0. Define Sedano's's Ingredient as u; j = r * Y = 18 * 0 = 0; q = i * P = 18 * 0 = 0; so u = j + q = 0 + 0 = 0.

0

hard

The number of each Canned Pasta's Beetroot equals the difference of each GrubMarket's Canned Corn and each Canned Corn's Kale. The number of each Postmates's Canned Corn equals 11 times as much as each Postmates's Canned Pasta. The number of each Canned Pasta's Kale equals 2 times as much as the sum of each Postmates's Canned Corn, each Postmates's Canned Pasta and each Canned Corn's Beetroot. The number of each Canned Corn's Beetroot equals the sum of each GrubMarket's Canned Pasta, each Postmates's Canned Pasta and each Postmates's Canned Corn. The number of each Postmates's Canned Pasta equals 20. The number of each GrubMarket's Canned Corn equals 21 times as much as each Canned Corn's Kale. The number of each GrubMarket's Canned Pasta equals 3 more than the difference of each Postmates's Canned Pasta and each Postmates's Canned Corn. The number of each Canned Corn's Kale equals 8. How many Beetroot does Canned Pasta have?

Define Canned Corn's Kale as g; so g = 8. Define GrubMarket's Canned Corn as b; so b = 21 * g = 21 * 8 = 7. Define Canned Pasta's Beetroot as H; so H = b - g = 7 - 8 = 22.

22

hard

The number of each Gallbladder's Natural Killer Cells equals each Panda's Cells. The number of each Vondelpark in Amsterdam's Leopard equals 17. The number of each Gorilla's Stomach equals 10. The number of each Pylorus's Platelets equals 4 times as much as each Rectum's Macrophages. The number of each The High Line in New York City's Panda equals 6. The number of each Bukhansan National Park in Seoul's Panda equals 10 more than each Rectum's Macrophages. The number of each Lumpini Park in Bangkok's Anteater equals 12 times as much as the difference of each Gorilla's Rectum and each Leopard's Pylorus. The number of each Leopard's Pylorus equals 18. The number of each Gallbladder's Megakaryocytes equals the sum of each Gallbladder's Natural Killer Cells, each Rectum's Cells and each Rectum's Macrophages. The number of each Pylorus's Megakaryocytes equals 20. The number of each The High Line in New York City's Gorilla equals each Stomach's Megakaryocytes. The number of each Leopard's Gallbladder equals the sum of each Gallbladder's Megakaryocytes, each Rectum's Macrophages, each Pylorus's Platelets and each Panda's Pylorus. The number of each Gorilla's Rectum equals 20. The number of each Anteater's Gallbladder equals each Pylorus's Platelets. The number of each Gallbladder's Macrophages equals each The High Line in New York City's Creatures. The number of each Panda's Pylorus equals 13. The number of each Panda's Rectum equals the difference of each Pylorus's Platelets and each Panda's Pylorus. The number of each Stomach's Megakaryocytes equals 15 more than each Leopard's Pylorus. The number of each Leopard's Stomach equals each Stomach's Megakaryocytes. The number of each Rectum's Macrophages equals 15. How many Gallbladder does Leopard have?

Define Pylorus's Megakaryocytes as E; so E = 20. Define Rectum's Macrophages as S; so S = 15. Define Rectum's Cells as q; so q = S = 15. Define Pylorus's Platelets as X; so X = 4 * S = 4 * 15 = 14. Define Panda's Pylorus as f; so f = 13. Define Leopard's Gallbladder as BACK. Define Pylorus's Cells as t; so t = E + X = 20 + 14 = 11. Define Panda's Rectum as I; so I = X - f = 14 - 13 = 1. Define Panda's Cells as k; U = I * q = 1 * 15 = 15; L = f * t = 13 * 11 = 5; so k = U + L = 15 + 5 = 20. Define Gallbladder's Natural Killer Cells as Y; so Y = k = 20. Define Gallbladder's Megakaryocytes as h; m = Y + q = 20 + 15 = 12; so h = m + S = 12 + 15 = 4. Define Leopard's Gallbladder as z; H = h + S = 4 + 15 = 19; F = H + X = 19 + 14 = 10; so z = F + f = 10 + 13 = 0.

0

hard

The number of each Avery Island's Crustacean Cove equals each Seadragon Deep's Elephant. The number of each Elephant's Metacarpal III equals 10 times as much as the sum of each Aquarium's Leopard, each Kuala Lumpur Bird Park's Aquarium and each Aquarium's Deer. The number of each Seadragon Deep's Elephant equals 12 more than each Avery Island's Aquarium. The number of each Aquarium's Deer equals 20 more than the difference of each Seadragon Deep's Deer and each Aquarium's Leopard. The number of each Avery Island's Seadragon Deep equals 15 times as much as each Elephant's Distal Phalanx. The number of each Aquarium's Leopard equals 4. The number of each Avery Island's Aquarium equals 19 times as much as each Elephant's Distal Phalanx. The number of each Deer's Proximal Phalanx equals 21. The number of each Seadragon Deep's Deer equals 9. The number of each Elephant's Distal Phalanx equals each Deer's Proximal Phalanx. The number of each Aquarium's Elephant equals the sum of each Avery Island's Aquarium, each Deer's Metacarpal III, each Aquarium's Leopard and each Deer's Proximal Phalanx. The number of each Deer's Distal Phalanx equals 20 more than the sum of each Kuala Lumpur Bird Park's Animal, each Kuala Lumpur Bird Park's Aquarium and each Avery Island's Crustacean Cove. The number of each Deer's Metacarpal III equals each Avery Island's Crustacean Cove. The number of each Crustacean Cove's Deer equals the sum of each Aquarium's Leopard and each Seadragon Deep's Elephant. The number of each Kuala Lumpur Bird Park's Aquarium equals each Seadragon Deep's Deer. The number of each Leopard's Proximal Phalanx equals each Kuala Lumpur Bird Park's Aquarium. The number of each Birdland Park and Gardens's Seadragon Deep equals 18 more than each Aquarium's Elephant. The number of each Leopard's Metacarpal III equals the sum of each Kuala Lumpur Bird Park's Animal and each Deer's Metacarpal III. How many Metacarpal III does Deer have?

Define Deer's Proximal Phalanx as H; so H = 21. Define Elephant's Distal Phalanx as Q; so Q = H = 21. Define Avery Island's Aquarium as F; so F = 19 * Q = 19 * 21 = 8. Define Seadragon Deep's Elephant as K; so K = 12 + F = 12 + 8 = 20. Define Birdland Park and Gardens's Enclosure as BACK. Define Avery Island's Crustacean Cove as s; so s = K = 20. Define Deer's Metacarpal III as O; so O = s = 20.

20

med

The number of each Frilled Lizard's Sesamoid Bones equals each Mikumi National Park's Animal. The number of each Kruger National Park's Macaw Island equals each Macaw Island's Lizard. The number of each Snake's Metacarpal Bones equals 9 more than the sum of each Macaw Island's Lizard and each Swan Lake's Frilled Lizard. The number of each Mikumi National Park's Penguin Exhibit equals 3. The number of each Lizard's Metacarpal Bones equals 19 times as much as each Mikumi National Park's Penguin Exhibit. The number of each Macaw Island's Lizard equals 11. The number of each Tsavo East National Park's Penguin Exhibit equals 13. The number of each Snake's Middle Phalanges equals the difference of each Macaw Island's Lizard and each Snake's Metacarpal Bones. The number of each Lizard's Sesamoid Bones equals 4. The number of each Macaw Island's Snake equals 11 more than the sum of each Swan Lake's Animal, each Mikumi National Park's Enclosure and each Tsavo East National Park's Penguin Exhibit. The number of each Swan Lake's Lizard equals the sum of each Snake's Middle Phalanges, each Lizard's Sesamoid Bones and each Swan Lake's Frilled Lizard. The number of each Swan Lake's Frilled Lizard equals 20 times as much as each Lizard's Sesamoid Bones. The number of each Kruger National Park's Swan Lake equals each Mikumi National Park's Bone. How many Swan Lake does Kruger National Park have?

Define Mikumi National Park's Penguin Exhibit as y; so y = 3. Define Penguin Exhibit's Bone as K; so K = 0. Define Mikumi National Park's Bone as r; so r = y * K = 3 * 0 = 0. Define Kruger National Park's Swan Lake as q; so q = r = 0.

0

hard

The number of each Tropical Monsoon Forest's Chimpanzee equals 9. The number of each Secondary Forest's Lion equals the difference of each Riparian Forest's Lion and each Riparian Forest's Anteater. The number of each Secondary Forest's Chimpanzee equals the difference of each Tropical Monsoon Forest's Chimpanzee and each Riparian Forest's Lion. The number of each Secondary Forest's Anteater equals each Riparian Forest's Lion. The number of each Riparian Forest's Lion equals 9 more than each Riparian Forest's Anteater. The number of each Tropical Monsoon Forest's Anteater equals each Secondary Forest's Creatures. The number of each Riparian Forest's Chimpanzee equals each Tropical Monsoon Forest's Chimpanzee. The number of each Tropical Monsoon Forest's Lion equals each Riparian Forest's Chimpanzee. The number of each Riparian Forest's Anteater equals each Tropical Monsoon Forest's Lion. How many Anteater does Tropical Monsoon Forest have?

Define Tropical Monsoon Forest's Chimpanzee as I; so I = 9. Define Riparian Forest's Chimpanzee as k; so k = I = 9. Define Tropical Monsoon Forest's Lion as f; so f = k = 9. Define Secondary Forest's Creatures as BACK. Define Riparian Forest's Anteater as G; so G = f = 9. Define Riparian Forest's Lion as X; so X = 9 + G = 9 + 9 = 18. Define Secondary Forest's Anteater as a; so a = X = 18. Define Tropical Monsoon Forest's Creatures as BACK. Define Secondary Forest's Chimpanzee as c; so c = I - X = 9 - 18 = 14. Define Secondary Forest's Lion as V; so V = X - G = 18 - 9 = 9. Define Secondary Forest's Creatures as h; Q = c + V = 14 + 9 = 0; so h = Q + a = 0 + 18 = 18. Define Tropical Monsoon Forest's Anteater as y; so y = h = 18.

18

hard

The number of each Lincoln High's Theater Arts Classroom equals each Visual Arts Studio's Top-Loading Backpack. The number of each Visual Arts Studio's Trekking Backpack equals the sum of each Lincoln High's Theater Arts Classroom and each Lincoln High's History Classroom. The number of each Philosophy Classroom's Travel Daypack equals 10 more than each History Classroom's Trekking Backpack. The number of each Visual Arts Studio's Travel Daypack equals 3 times as much as each Lincoln High's History Classroom. The number of each Westwood High's Philosophy Classroom equals each Visual Arts Studio's Travel Daypack. The number of each Lincoln High's Visual Arts Studio equals 13. The number of each History Classroom's Top-Loading Backpack equals 13. The number of each Theater Arts Classroom's Camping Backpack equals 0. The number of each Visual Arts Studio's Camping Backpack equals 20 times as much as each Summit Secondary's Philosophy Classroom. The number of each Westwood High's Theater Arts Classroom equals 6 more than each Riverview High's Backpack. The number of each Theater Arts Classroom's Top-Loading Backpack equals 18. The number of each Theater Arts Classroom's Trekking Backpack equals 6 times as much as each Westwood High's Philosophy Classroom. The number of each Westwood High's Visual Arts Studio equals each Visual Arts Studio's Trekking Backpack. The number of each History Classroom's Trekking Backpack equals 15 times as much as each Theater Arts Classroom's Camping Backpack. The number of each Visual Arts Studio's Top-Loading Backpack equals each Theater Arts Classroom's Trekking Backpack. The number of each Lincoln High's History Classroom equals 22 more than each Philosophy Classroom's Travel Daypack. The number of each Summit Secondary's Philosophy Classroom equals 21. How many Visual Arts Studio does Westwood High have?

Define Theater Arts Classroom's Camping Backpack as d; so d = 0. Define History Classroom's Trekking Backpack as U; so U = 15 * d = 15 * 0 = 0. Define Philosophy Classroom's Travel Daypack as p; so p = 10 + U = 10 + 0 = 10. Define Lincoln High's History Classroom as O; so O = 22 + p = 22 + 10 = 9. Define Visual Arts Studio's Travel Daypack as V; so V = 3 * O = 3 * 9 = 4. Define Westwood High's Philosophy Classroom as x; so x = V = 4. Define Theater Arts Classroom's Trekking Backpack as n; so n = 6 * x = 6 * 4 = 1. Define Visual Arts Studio's Top-Loading Backpack as z; so z = n = 1. Define Lincoln High's Theater Arts Classroom as C; so C = z = 1. Define Visual Arts Studio's Trekking Backpack as c; so c = C + O = 1 + 9 = 10. Define Westwood High's Visual Arts Studio as F; so F = c = 10.

10

hard

The number of each Knee Joint's Intercalated Discs equals 20. The number of each Cartilage's Papillary Muscle Cells equals 19. The number of each Knee Joint's Gastrointestinal Smooth Muscle Cells equals 8 more than each Cartilage's Papillary Muscle Cells. The number of each Cartilage's Intercalated Discs equals the sum of each Triceps's Intercalated Discs and each Knee Joint's Intercalated Discs. The number of each Triceps's Gastrointestinal Smooth Muscle Cells equals 8. The number of each Triceps's Intercalated Discs equals 4. The number of each Cartilage's Gastrointestinal Smooth Muscle Cells equals the difference of each Knee Joint's Gastrointestinal Smooth Muscle Cells and each Knee Joint's Papillary Muscle Cells. The number of each Knee Joint's Papillary Muscle Cells equals 18 times as much as each Cartilage's Papillary Muscle Cells. The number of each Triceps's Papillary Muscle Cells equals the difference of each Knee Joint's Papillary Muscle Cells and each Cartilage's Papillary Muscle Cells. How many Papillary Muscle Cells does Triceps have?

Define Cartilage's Papillary Muscle Cells as A; so A = 19. Define Knee Joint's Papillary Muscle Cells as i; so i = 18 * A = 18 * 19 = 20. Define Triceps's Papillary Muscle Cells as B; so B = i - A = 20 - 19 = 1.

1

hard

The number of each Kingston Secondary's Ceramics Studio equals 14 times as much as the sum of each Photography Studio's Briefcase Backpack and each Ceramics Studio's Camera Backpack. The number of each Photography Studio's Camera Backpack equals the sum of each Photography Studio's Briefcase Backpack and each Ceramics Studio's Camera Backpack. The number of each Photography Studio's Briefcase Backpack equals 8. The number of each Ceramics Studio's Camera Backpack equals 12 more than each Photography Studio's Briefcase Backpack. The number of each Kingston Secondary's Photography Studio equals 14. The number of each Ceramics Studio's Briefcase Backpack equals 5 times as much as each Lakeshore High's Photography Studio. The number of each Lakeshore High's Ceramics Studio equals 6. The number of each Lakeshore High's Photography Studio equals 4. How many Briefcase Backpack does Ceramics Studio have?

Define Lakeshore High's Photography Studio as W; so W = 4. Define Photography Studio's Camera Backpack as BACK. Define Ceramics Studio's Briefcase Backpack as d; so d = 5 * W = 5 * 4 = 20.

20

hard

The number of each Crow's Saphenous Vein equals 20. The number of each Flamingo's Pericardium equals 7. The number of each Saphenous Vein's Columnar Epithelial Cells equals 21. The number of each Saphenous Vein's Cuboidal Epithelial Cells equals each Saphenous Vein's Columnar Epithelial Cells. The number of each Saphenous Vein's Intestinal Absorptive Cells equals the difference of each Parrot's Cells and each Pericardium's Cells. How many Organs does Crow have?

Define Crow's Saphenous Vein as P; so P = 20. Define Crow's Organs as D; so D = P = 20.

20

med

The number of each Euglena's Tricuspid Valve equals 5. The number of each Amoeba's Tricuspid Valve equals 15 times as much as each Pampas's Euglena. The number of each Pampas's Amoeba equals the sum of each Amoeba's Venules, each Pampas's Euglena, each Tricuspid Valve's Purkinje Cells and each Mixed Grass Prairie's Creatures. The number of each Venules's Purkinje Cells equals 9. The number of each Daphnia's Venules equals each Venules's Purkinje Cells. The number of each Chambers of the Heart's Purkinje Cells equals 21 more than the sum of each Pampas's Euglena and each Tricuspid Valve's Cerebellar Neurons. The number of each Meadow's Amoeba equals 0. The number of each Mixed Grass Prairie's Amoeba equals 3 more than the sum of each Amoeba's Venules and each Tricuspid Valve's Purkinje Cells. The number of each Tricuspid Valve's Purkinje Cells equals 15. The number of each Daphnia's Chambers of the Heart equals each Meadow's Amoeba. The number of each Pampas's Euglena equals 5. The number of each Daphnia's Tricuspid Valve equals 18. The number of each Tricuspid Valve's Autonomic Ganglia Neurons equals each Mixed Grass Prairie's Creatures. The number of each Venules's Autonomic Ganglia Neurons equals each Venules's Purkinje Cells. The number of each Meadow's Euglena equals 2 more than each Venules's Purkinje Cells. The number of each Tricuspid Valve's Cerebellar Neurons equals 4 more than the sum of each Venules's Purkinje Cells, each Daphnia's Venules and each Pampas's Euglena. The number of each Amoeba's Chambers of the Heart equals 4. The number of each Amoeba's Venules equals 15 more than each Tricuspid Valve's Purkinje Cells. The number of each Chambers of the Heart's Cerebellar Neurons equals the sum of each Tricuspid Valve's Cerebellar Neurons, each Daphnia's Venules and each Venules's Purkinje Cells. The number of each Pampas's Daphnia equals 20 times as much as each Mixed Grass Prairie's Amoeba. How many Creatures does Mixed Grass Prairie have?

Define Tricuspid Valve's Purkinje Cells as s; so s = 15. Define Amoeba's Venules as v; so v = 15 + s = 15 + 15 = 7. Define Mixed Grass Prairie's Amoeba as S; E = v + s = 7 + 15 = 22; so S = 3 + E = 3 + 22 = 2. Define Mixed Grass Prairie's Creatures as C; so C = S = 2.

2

hard

The number of each Secondary Forest's Chlamydomonas equals 22. The number of each Chlamydomonas's Aortic Valve equals 12 times as much as the sum of each Subtropical Rainforest's Organs and each Tropical Rainforest's Staphylococcus. The number of each Paramecium's Aortic Valve equals 21 times as much as each Paramecium's Arteries. The number of each Paramecium's Arteries equals 18. The number of each Secondary Forest's Staphylococcus equals the difference of each Tropical Rainforest's Staphylococcus and each Secondary Forest's Chlamydomonas. The number of each Staphylococcus's Pulmonary Arteries equals each Subtropical Rainforest's Organs. The number of each Tropical Rainforest's Paramecium equals each Staphylococcus's Pulmonary Arteries. The number of each Tropical Rainforest's Staphylococcus equals each Secondary Forest's Chlamydomonas. The number of each Subtropical Rainforest's Paramecium equals 1 more than each Paramecium's Arteries. How many Paramecium does Tropical Rainforest have?

Define Paramecium's Arteries as D; so D = 18. Define Subtropical Rainforest's Paramecium as P; so P = 1 + D = 1 + 18 = 19. Define Paramecium's Aortic Valve as u; so u = 21 * D = 21 * 18 = 10. Define Paramecium's Organs as l; so l = u + D = 10 + 18 = 5. Define Subtropical Rainforest's Organs as F; so F = P * l = 19 * 5 = 3. Define Staphylococcus's Pulmonary Arteries as O; so O = F = 3. Define Tropical Rainforest's Paramecium as J; so J = O = 3.

3

med

The number of each Weight Training Room's Sweat-Resistant Backpack equals 12. The number of each Weight Training Room's Training Daypack equals 4 more than each Weight Training Room's Sweat-Resistant Backpack. The number of each Tennis Court's Sweat-Resistant Backpack equals 13 times as much as the sum of each Weight Training Room's Backpack, each Weight Training Room's Sweat-Resistant Backpack and each Weight Training Room's Training Daypack. How many Backpack does Tennis Court have?

Define Weight Training Room's Sweat-Resistant Backpack as G; so G = 12. Define Weight Training Room's Training Daypack as Y; so Y = 4 + G = 4 + 12 = 16. Define Weight Training Room's Backpack as x; so x = Y + G = 16 + 12 = 5. Define Tennis Court's Sweat-Resistant Backpack as C; k = x + G = 5 + 12 = 17; p = k + Y = 17 + 16 = 10; so C = 13 * p = 13 * 10 = 15. Define Tennis Court's Backpack as E; so E = C = 15.

15

hard

The number of each Geometry Room's Bookbag equals each Number Theory Room's Athletic Backpack. The number of each Fluid Mechanics Lab's Athletic Backpack equals each EduLink Online's Number Theory Room. The number of each NetEdge College's Number Theory Room equals 12 times as much as each Fluid Mechanics Lab's Bookbag. The number of each EduLink Online's Fluid Mechanics Lab equals each NetEdge College's Backpack. The number of each Number Theory Room's Athletic Backpack equals the sum of each EduLink Online's Number Theory Room and each Fluid Mechanics Lab's Athletic Backpack. The number of each Fluid Mechanics Lab's Bookbag equals 5 more than each Fluid Mechanics Lab's Athletic Backpack. The number of each NetEdge College's Geometry Room equals 18 times as much as each WebMasters Academy's Fluid Mechanics Lab. The number of each WebMasters Academy's Fluid Mechanics Lab equals 7 times as much as each EduLink Online's Number Theory Room. The number of each EduLink Online's Number Theory Room equals 14. The number of each WebMasters Academy's Number Theory Room equals 18 times as much as each EduLink Online's Fluid Mechanics Lab. The number of each NetEdge College's Fluid Mechanics Lab equals 7. The number of each Number Theory Room's Two-Strap Backpack equals 11 more than each WebMasters Academy's Fluid Mechanics Lab. How many Number Theory Room does WebMasters Academy have?

Define EduLink Online's Number Theory Room as w; so w = 14. Define Fluid Mechanics Lab's Athletic Backpack as p; so p = w = 14. Define Number Theory Room's Athletic Backpack as A; so A = w + p = 14 + 14 = 5. Define EduLink Online's Classroom as BACK. Define Fluid Mechanics Lab's Bookbag as i; so i = 5 + p = 5 + 14 = 19. Define WebMasters Academy's Fluid Mechanics Lab as l; so l = 7 * w = 7 * 14 = 6. Define Geometry Room's Bookbag as n; so n = A = 5. Define Number Theory Room's Two-Strap Backpack as K; so K = 11 + l = 11 + 6 = 17. Define NetEdge College's Fluid Mechanics Lab as G; so G = 7. Define Number Theory Room's Backpack as L; so L = K + A = 17 + 5 = 22. Define NetEdge College's Geometry Room as q; so q = 18 * l = 18 * 6 = 16. Define Fluid Mechanics Lab's Backpack as P; so P = p + i = 14 + 19 = 10. Define Geometry Room's Backpack as c; so c = n = 5. Define NetEdge College's Number Theory Room as M; so M = 12 * i = 12 * 19 = 21. Define NetEdge College's Backpack as B; N = q * c = 16 * 5 = 11; z = M * L = 21 * 22 = 2; m = N + z = 11 + 2 = 13; I = G * P = 7 * 10 = 1; so B = m + I = 13 + 1 = 14. Define EduLink Online's Fluid Mechanics Lab as u; so u = B = 14. Define WebMasters Academy's Number Theory Room as V; so V = 18 * u = 18 * 14 = 22.

22

hard

The number of each Tennessee Aquarium's Zebra Paddock equals the sum of each SeaWorld Orlando's Zebra Paddock and each Tennessee Aquarium's Bat Cave. The number of each The Florida Aquarium's Lion Exhibit equals 9 more than each Adventure Aquarium's Enclosure. The number of each Adventure Aquarium's Zebra Paddock equals 9. The number of each The Florida Aquarium's Bat Cave equals 8. The number of each Adventure Aquarium's Lion Exhibit equals 15 times as much as the sum of each Adventure Aquarium's Zebra Paddock, each Adventure Aquarium's Bat Cave and each Adventure Aquarium's Meerkat Manor. The number of each Tennessee Aquarium's Meerkat Manor equals the sum of each Tennessee Aquarium's Bat Cave and each Tennessee Aquarium's Zebra Paddock. The number of each SeaWorld Orlando's Meerkat Manor equals 2 more than the sum of each Tennessee Aquarium's Zebra Paddock and each SeaWorld Orlando's Zebra Paddock. The number of each The Florida Aquarium's Zebra Paddock equals 13. The number of each Tennessee Aquarium's Lion Exhibit equals the sum of each Adventure Aquarium's Lion Exhibit, each Adventure Aquarium's Enclosure, each Adventure Aquarium's Bat Cave and each SeaWorld Orlando's Zebra Paddock. The number of each SeaWorld Orlando's Bat Cave equals the difference of each The Florida Aquarium's Meerkat Manor and each SeaWorld Orlando's Lion Exhibit. The number of each Adventure Aquarium's Meerkat Manor equals 20 more than the difference of each Adventure Aquarium's Zebra Paddock and each Adventure Aquarium's Bat Cave. The number of each The Florida Aquarium's Meerkat Manor equals 10 times as much as each Tennessee Aquarium's Bat Cave. The number of each SeaWorld Orlando's Lion Exhibit equals 6. The number of each Adventure Aquarium's Bat Cave equals 19 more than each Adventure Aquarium's Zebra Paddock. The number of each SeaWorld Orlando's Zebra Paddock equals 8 more than each Tennessee Aquarium's Bat Cave. The number of each Tennessee Aquarium's Bat Cave equals 2. How many Enclosure does Adventure Aquarium have?

Define Adventure Aquarium's Zebra Paddock as Z; so Z = 9. Define Adventure Aquarium's Bat Cave as r; so r = 19 + Z = 19 + 9 = 5. Define Adventure Aquarium's Meerkat Manor as q; v = Z - r = 9 - 5 = 4; so q = 20 + v = 20 + 4 = 1. Define Adventure Aquarium's Lion Exhibit as e; T = Z + r = 9 + 5 = 14; b = T + q = 14 + 1 = 15; so e = 15 * b = 15 * 15 = 18. Define Adventure Aquarium's Enclosure as f; z = Z + q = 9 + 1 = 10; K = z + e = 10 + 18 = 5; so f = K + r = 5 + 5 = 10.

10

med

The number of each Cookies's Sorghum equals each Gummy Candy's Ingredient. The number of each Shop 'n Save's Gummy Candy equals 21. The number of each Shop 'n Save's Cookies equals 7 times as much as each Cookies's Popcorn. The number of each Cookies's Popcorn equals 15. How many Sorghum does Cookies have?

Define Gummy Candy's Ingredient as y; so y = 0. Define Shop 'n Save's Ingredient as BACK. Define Cookies's Sorghum as Z; so Z = y = 0.

0

med

The number of each Pacman Frog's Coffin Bone equals 3 more than each Pheasant Pen's Axolotl. The number of each Mikumi National Park's Pheasant Pen equals each Pheasant Pen's Pacman Frog. The number of each Spotted Salamander's Scapula equals 18. The number of each Pheasant Pen's Pacman Frog equals 11 times as much as the sum of each Kruger National Park's Animal and each Kruger National Park's Penguin Exhibit. The number of each Pheasant Pen's Axolotl equals 7 times as much as the sum of each Pacman Frog's Distal Phalanges and each Ruaha National Park's Bone. The number of each Pigeon Loft's Spotted Salamander equals the difference of each Pacman Frog's Coffin Bone and each Pacman Frog's Distal Phalanges. The number of each Kruger National Park's Penguin Exhibit equals the difference of each Pigeon Loft's Spotted Salamander and each Pigeon Loft's Animal. The number of each Kruger National Park's Pigeon Loft equals 16 more than each Pigeon Loft's Animal. The number of each Pacman Frog's Distal Phalanges equals each Ruaha National Park's Bone. The number of each Axolotl's Middle Phalanges equals the sum of each Mikumi National Park's Pheasant Pen, each Pacman Frog's Distal Phalanges and each Pheasant Pen's Axolotl. How many Middle Phalanges does Axolotl have?

Define Ruaha National Park's Bone as g; so g = 0. Define Pacman Frog's Distal Phalanges as Z; so Z = g = 0. Define Pheasant Pen's Axolotl as z; F = Z + g = 0 + 0 = 0; so z = 7 * F = 7 * 0 = 0. Define Pacman Frog's Coffin Bone as T; so T = 3 + z = 3 + 0 = 3. Define Pigeon Loft's Spotted Salamander as w; so w = T - Z = 3 - 0 = 3. Define Pigeon Loft's Animal as S; so S = w = 3. Define Kruger National Park's Pigeon Loft as l; so l = 16 + S = 16 + 3 = 19. Define Kruger National Park's Penguin Exhibit as s; so s = w - S = 3 - 3 = 0. Define Penguin Exhibit's Animal as A; so A = 0. Define Kruger National Park's Animal as E; Y = l * S = 19 * 3 = 11; e = s * A = 0 * 0 = 0; so E = Y + e = 11 + 0 = 11. Define Pheasant Pen's Pacman Frog as Q; V = E + s = 11 + 0 = 11; so Q = 11 * V = 11 * 11 = 6. Define Pigeon Loft's Bone as BACK. Define Mikumi National Park's Pheasant Pen as j; so j = Q = 6. Define Pheasant Pen's Bone as BACK. Define Axolotl's Middle Phalanges as t; K = j + Z = 6 + 0 = 6; so t = K + z = 6 + 0 = 6.

6

hard

The number of each Racquet Backpack's Masking Tape equals 17 more than each Racquet Backpack's Easel. The number of each Surfing Backpack's Palette equals each Racquet Backpack's Masking Tape. The number of each Racquet Backpack's Easel equals 22. How many Palette does Surfing Backpack have?

Define Racquet Backpack's Easel as P; so P = 22. Define Racquet Backpack's Masking Tape as g; so g = 17 + P = 17 + 22 = 16. Define Surfing Backpack's Palette as A; so A = g = 16.

16

med

The number of each Starlight College's Aerospace Engineering Lab equals 15 more than the sum of each Harbor Point College's Classroom, each Harbor Point College's Control Systems Lab and each Harbor Point College's Aerospace Engineering Lab. The number of each Harbor Point College's Aerospace Engineering Lab equals 18 more than each Harbor Point College's Control Systems Lab. The number of each Harbor Point College's Control Systems Lab equals 12. The number of each Starlight College's Control Systems Lab equals 4 times as much as the sum of each Harbor Point College's Aerospace Engineering Lab, each Starlight College's Aerospace Engineering Lab and each Harbor Point College's Control Systems Lab. How many Classroom does Starlight College have?

Define Harbor Point College's Control Systems Lab as k; so k = 12. Define Harbor Point College's Aerospace Engineering Lab as E; so E = 18 + k = 18 + 12 = 7. Define Harbor Point College's Classroom as K; so K = k + E = 12 + 7 = 19. Define Starlight College's Aerospace Engineering Lab as Z; w = K + k = 19 + 12 = 8; R = w + E = 8 + 7 = 15; so Z = 15 + R = 15 + 15 = 7. Define Starlight College's Control Systems Lab as D; j = E + Z = 7 + 7 = 14; b = j + k = 14 + 12 = 3; so D = 4 * b = 4 * 3 = 12. Define Starlight College's Classroom as f; so f = D + Z = 12 + 7 = 19.

19

med

The number of each Hilltop Elementary's Geology Lab equals 11. The number of each Biking Backpack's Embossing Powder equals 17 more than each Neuroscience Lab's Biking Backpack. The number of each Biking Backpack's Gouache equals 14. The number of each Hilltop Elementary's Neuroscience Lab equals each Neuroscience Lab's Ventilated Backpack. The number of each Neuroscience Lab's Biking Backpack equals 9 more than each Biking Backpack's Gouache. The number of each Neuroscience Lab's Ventilated Backpack equals 14. How many Neuroscience Lab does Hilltop Elementary have?

Define Neuroscience Lab's Ventilated Backpack as T; so T = 14. Define Hilltop Elementary's Neuroscience Lab as O; so O = T = 14.

14

hard

The number of each Iguana's Postzygapophyses equals 19 more than the sum of each Tortoise's Pectoral Fin Rays and each Tortoise's Postzygapophyses. The number of each Tortoise's Postzygapophyses equals 21. The number of each Iguana's Caudal Fin Rays equals the sum of each Iguana's Pectoral Fin Rays, each Alligator's Pectoral Fin Rays and each Tortoise's Postzygapophyses. The number of each Alligator's Pectoral Fin Rays equals the sum of each Tortoise's Bone and each Tortoise's Postzygapophyses. The number of each Iguana's Pectoral Fin Rays equals each Alligator's Caudal Fin Rays. The number of each Alligator's Postzygapophyses equals each Alligator's Pectoral Fin Rays. The number of each Tortoise's Caudal Fin Rays equals 6. The number of each Alligator's Caudal Fin Rays equals the difference of each Alligator's Postzygapophyses and each Tortoise's Postzygapophyses. The number of each Tortoise's Pectoral Fin Rays equals each Tortoise's Caudal Fin Rays. How many Bone does Iguana have?

Define Tortoise's Caudal Fin Rays as J; so J = 6. Define Tortoise's Pectoral Fin Rays as D; so D = J = 6. Define Tortoise's Postzygapophyses as A; so A = 21. Define Tortoise's Bone as c; j = J + A = 6 + 21 = 4; so c = j + D = 4 + 6 = 10. Define Alligator's Pectoral Fin Rays as p; so p = c + A = 10 + 21 = 8. Define Alligator's Postzygapophyses as E; so E = p = 8. Define Alligator's Caudal Fin Rays as t; so t = E - A = 8 - 21 = 10. Define Iguana's Postzygapophyses as T; R = D + A = 6 + 21 = 4; so T = 19 + R = 19 + 4 = 0. Define Iguana's Pectoral Fin Rays as F; so F = t = 10. Define Iguana's Bone as BACK. Define Iguana's Caudal Fin Rays as g; W = F + p = 10 + 8 = 18; so g = W + A = 18 + 21 = 16. Define Iguana's Bone as w; n = g + T = 16 + 0 = 16; so w = n + F = 16 + 10 = 3.

3

hard

The number of each Zebra's Arterioles equals each Zebra's Veins. The number of each Open Ocean's Sloth equals the difference of each Tidal Pool's Creatures and each Zebra's Arterioles. The number of each Sloth's Veins equals 3. The number of each Panda's Veins equals 8 more than the difference of each Sloth's Mitral Valve and each Zebra's Veins. The number of each Arctic Ocean's Panda equals 9 more than each Arctic Ocean's Zebra. The number of each Tidal Pool's Sloth equals 7 more than each Zebra's Arterioles. The number of each Zebra's Veins equals 14 times as much as each Arctic Ocean's Sloth. The number of each Panda's Mitral Valve equals each Zebra's Organs. The number of each Open Ocean's Zebra equals 11. The number of each Sloth's Mitral Valve equals the sum of each Open Ocean's Sloth, each Zebra's Arterioles and each Tidal Pool's Zebra. The number of each Zebra's Mitral Valve equals 11 times as much as each Arctic Ocean's Sloth. The number of each Sloth's Arterioles equals each Open Ocean's Zebra. The number of each Open Ocean's Panda equals 18 times as much as the sum of each Tidal Pool's Zebra and each Panda's Veins. The number of each Tidal Pool's Zebra equals each Zebra's Organs. The number of each Arctic Ocean's Zebra equals 10. The number of each Arctic Ocean's Sloth equals 11. The number of each Panda's Arterioles equals 9 times as much as each Arctic Ocean's Zebra. How many Veins does Panda have?

Define Arctic Ocean's Sloth as Y; so Y = 11. Define Zebra's Mitral Valve as p; so p = 11 * Y = 11 * 11 = 6. Define Zebra's Veins as o; so o = 14 * Y = 14 * 11 = 16. Define Zebra's Arterioles as G; so G = o = 16. Define Zebra's Organs as F; x = p + o = 6 + 16 = 22; so F = x + G = 22 + 16 = 15. Define Tidal Pool's Zebra as t; so t = F = 15. Define Tidal Pool's Sloth as K; so K = 7 + G = 7 + 16 = 0. Define Open Ocean's Panda as BACK. Define Tidal Pool's Creatures as J; so J = t + K = 15 + 0 = 15. Define Open Ocean's Sloth as s; so s = J - G = 15 - 16 = 22. Define Sloth's Mitral Valve as E; i = s + G = 22 + 16 = 15; so E = i + t = 15 + 15 = 7. Define Panda's Veins as z; B = E - o = 7 - 16 = 14; so z = 8 + B = 8 + 14 = 22.

22

hard

The number of each Rosewood High's Control Systems Lab equals 17 times as much as each Rosewood High's Structural Engineering Lab. The number of each Kingston Secondary's Mechanical Engineering Lab equals 21. The number of each Rosewood High's Structural Engineering Lab equals 7. The number of each Lakeshore High's Trigonometry Room equals 18 more than each Kingston Secondary's Structural Engineering Lab. The number of each Mechanical Engineering Lab's Swimming Backpack equals each Kingston Secondary's Classroom. The number of each Structural Engineering Lab's Racquet Backpack equals 4 times as much as the difference of each Summit Secondary's Classroom and each Kingston Secondary's Structural Engineering Lab. The number of each Trigonometry Room's Workout Backpack equals 7. The number of each Kingston Secondary's Structural Engineering Lab equals 1. The number of each Control Systems Lab's Gym Backpack equals 3. How many Classroom does Kingston Secondary have?

Define Rosewood High's Classroom as BACK. Define Kingston Secondary's Structural Engineering Lab as d; so d = 1. Define Kingston Secondary's Mechanical Engineering Lab as a; so a = 21. Define Kingston Secondary's Classroom as M; so M = d + a = 1 + 21 = 22.

22

med

The number of each Roll-Top Backpack's Ballpoint Pen equals 13 more than each Duffle Backpack's Erasable Pen. The number of each Duffle Backpack's Erasable Pen equals 4. The number of each Aerospace Engineering Lab's Duffle Backpack equals 21. The number of each Hiking Backpack's Fineliner equals 19 more than the difference of each Duffle Backpack's Erasable Pen and each Structural Engineering Lab's Roll-Top Backpack. The number of each Linear Algebra Room's Roll-Top Backpack equals the sum of each Hiking Backpack's Pencil and each Aerospace Engineering Lab's Duffle Backpack. The number of each Roll-Top Backpack's Erasable Pen equals 16 more than each Hiking Backpack's Fineliner. The number of each Structural Engineering Lab's Roll-Top Backpack equals each Duffle Backpack's Erasable Pen. The number of each Structural Engineering Lab's Hiking Backpack equals each Structural Engineering Lab's Roll-Top Backpack. The number of each Linear Algebra Room's Hiking Backpack equals 17 times as much as the sum of each Aerospace Engineering Lab's Backpack and each Aerospace Engineering Lab's Duffle Backpack. The number of each Trigonometry Room's Roll-Top Backpack equals the sum of each Hiking Backpack's Fineliner, each Roll-Top Backpack's Erasable Pen, each Structural Engineering Lab's Roll-Top Backpack and each Duffle Backpack's Erasable Pen. The number of each Hiking Backpack's Pencil equals 2. The number of each Trigonometry Room's Duffle Backpack equals 20 times as much as each Linear Algebra Room's Backpack. The number of each Duffle Backpack's Fineliner equals the sum of each Linear Algebra Room's Hiking Backpack, each Roll-Top Backpack's Erasable Pen and each Duffle Backpack's Erasable Pen. The number of each Hiking Backpack's Erasable Pen equals 1 times as much as each Hiking Backpack's Fineliner. How many Backpack does Aerospace Engineering Lab have?

Define Aerospace Engineering Lab's Duffle Backpack as E; so E = 21. Define Aerospace Engineering Lab's Backpack as Y; so Y = E = 21.

21

med

The number of each Lion's Quadriceps equals each Gardens by the Bay in Singapore's Creatures. The number of each Rhinoceros's Pelvis equals 21. The number of each Gardens by the Bay in Singapore's Lion equals the sum of each Rhinoceros's Organs and each Rhinoceros's Pelvis. The number of each Lumphini Park in Bangkok's Rhinoceros equals each Gardens by the Bay in Singapore's Lion. The number of each Stanley Park in Vancouver's Armadillo equals 6 more than each Lumphini Park in Bangkok's Rhinoceros. The number of each Stanley Park in Vancouver's Wolf equals 19. The number of each Wolf's Achilles Tendon equals 19. How many Organs does Stanley Park in Vancouver have?

Define Rhinoceros's Pelvis as h; so h = 21. Define Rhinoceros's Organs as X; so X = h = 21. Define Gardens by the Bay in Singapore's Lion as a; so a = X + h = 21 + 21 = 19. Define Lumphini Park in Bangkok's Rhinoceros as i; so i = a = 19. Define Stanley Park in Vancouver's Armadillo as p; so p = 6 + i = 6 + 19 = 2. Define Wolf's Achilles Tendon as k; so k = 19. Define Armadillo's Organs as R; so R = 0. Define Stanley Park in Vancouver's Wolf as N; so N = 19. Define Wolf's Organs as d; so d = k = 19. Define Stanley Park in Vancouver's Organs as O; o = p * R = 2 * 0 = 0; l = N * d = 19 * 19 = 16; so O = o + l = 0 + 16 = 16.

16

med

The number of each Puffer Fish's Shoulder Joint equals 17 times as much as each Jellyfish's Shoulder Joint. The number of each Puffer Fish's Deltoid equals each Jellyfish's Shoulder Joint. The number of each Desert Fringe Grassland's Walrus equals each Temperate Grassland's Puffer Fish. The number of each Walrus's Pelvis equals each Puffer Fish's Shoulder Joint. The number of each Puffer Fish's Pelvis equals each Temperate Grassland's Puffer Fish. The number of each Temperate Grassland's Puffer Fish equals each Jellyfish's Shoulder Joint. The number of each Walrus's Shoulder Joint equals each Desert Fringe Grassland's Puffer Fish. The number of each Desert Fringe Grassland's Jellyfish equals 15. The number of each Temperate Grassland's Jellyfish equals each Desert Fringe Grassland's Jellyfish. The number of each Jellyfish's Shoulder Joint equals 10. The number of each Desert Fringe Grassland's Puffer Fish equals 2. How many Organs does Puffer Fish have?

Define Jellyfish's Shoulder Joint as o; so o = 10. Define Puffer Fish's Deltoid as n; so n = o = 10. Define Puffer Fish's Shoulder Joint as V; so V = 17 * o = 17 * 10 = 9. Define Temperate Grassland's Puffer Fish as m; so m = o = 10. Define Puffer Fish's Pelvis as y; so y = m = 10. Define Puffer Fish's Organs as e; A = V + y = 9 + 10 = 19; so e = A + n = 19 + 10 = 6.

6

med

The number of each Medulla Oblongata's Mesenchymal Cells equals 4. The number of each Gorilla's Hypothalamus equals 5. The number of each Anteater's Hypothalamus equals each Medulla Oblongata's Mesenchymal Cells. The number of each Medulla Oblongata's Osteoclasts equals each Hypothalamus's Cells. The number of each Anteater's Medulla Oblongata equals 21. The number of each Hypothalamus's Mesenchymal Cells equals each Anteater's Hypothalamus. The number of each Gorilla's Medulla Oblongata equals the sum of each Subtropical Rainforest's Anteater and each Coniferous Forest's Gorilla. The number of each Coniferous Forest's Gorilla equals 7. The number of each Subtropical Rainforest's Anteater equals 12. How many Cells does Anteater have?

Define Medulla Oblongata's Mesenchymal Cells as o; so o = 4. Define Anteater's Hypothalamus as A; so A = o = 4. Define Hypothalamus's Mesenchymal Cells as j; so j = A = 4. Define Hypothalamus's Cells as U; so U = j = 4. Define Medulla Oblongata's Osteoclasts as S; so S = U = 4. Define Medulla Oblongata's Cells as Y; so Y = o + S = 4 + 4 = 8. Define Anteater's Medulla Oblongata as H; so H = 21. Define Anteater's Cells as w; N = A * U = 4 * 4 = 16; y = H * Y = 21 * 8 = 7; so w = N + y = 16 + 7 = 0.

0

med

The number of each Addo Elephant National Park's Rattlesnake Ravine equals each Boa Constrictor's Bone. The number of each Boa Constrictor's Caudal Vertebrae 8 equals 16 more than each Boa Constrictor's Caudal Vertebrae 11. The number of each Addo Elephant National Park's Reptile House equals 18. The number of each Rattlesnake Ravine's Crocodile equals 15 times as much as each Addo Elephant National Park's Reptile House. The number of each Kruger National Park's Rattlesnake Ravine equals 15 times as much as the difference of each Addo Elephant National Park's Enclosure and each Reptile House's Bone. The number of each Reptile House's Boa Constrictor equals each Rattlesnake Ravine's Animal. The number of each Rattlesnake Ravine's Boa Constrictor equals the sum of each Boa Constrictor's Bone, each Boa Constrictor's Caudal Vertebrae 11, each Boa Constrictor's Caudal Vertebrae 8 and each Addo Elephant National Park's Enclosure. The number of each Boa Constrictor's Caudal Vertebrae 11 equals 1. The number of each Kruger National Park's Reptile House equals the sum of each Rattlesnake Ravine's Crocodile and each Rattlesnake Ravine's Animal. The number of each Selous Game Reserve's Reptile House equals 11 times as much as each Addo Elephant National Park's Enclosure. The number of each Crocodile's Caudal Vertebrae 11 equals 11 more than each Reptile House's Animal. How many Rattlesnake Ravine does Addo Elephant National Park have?

Define Boa Constrictor's Caudal Vertebrae 11 as L; so L = 1. Define Boa Constrictor's Caudal Vertebrae 8 as e; so e = 16 + L = 16 + 1 = 17. Define Boa Constrictor's Bone as A; so A = e + L = 17 + 1 = 18. Define Addo Elephant National Park's Rattlesnake Ravine as p; so p = A = 18.

18

hard

The number of each Riverside College's Aerospace Engineering Lab equals 18 times as much as the difference of each Mountainview College's Geometry Room and each Materials Science Lab's Snowboard Backpack. The number of each Materials Science Lab's Sweat-Resistant Backpack equals 9. The number of each Mountainview College's Aerospace Engineering Lab equals 6 times as much as the sum of each Mountainview College's Materials Science Lab and each Riverside College's Geometry Room. The number of each Metropolis Community College's Materials Science Lab equals 13 times as much as each Geometry Room's Snowboard Backpack. The number of each Metropolis Community College's Geometry Room equals the sum of each Mountainview College's Classroom, each Aerospace Engineering Lab's Sweat-Resistant Backpack and each Aerospace Engineering Lab's Backpack. The number of each Aerospace Engineering Lab's Snowboard Backpack equals 21 times as much as each Mountainview College's Aerospace Engineering Lab. The number of each Riverside College's Materials Science Lab equals each Aerospace Engineering Lab's Snowboard Backpack. The number of each Materials Science Lab's Snowboard Backpack equals 2. The number of each Aerospace Engineering Lab's Sweat-Resistant Backpack equals each Mountainview College's Aerospace Engineering Lab. The number of each Riverside College's Geometry Room equals 18 more than each Mountainview College's Materials Science Lab. The number of each Metropolis Community College's Aerospace Engineering Lab equals the sum of each Mountainview College's Aerospace Engineering Lab, each Riverside College's Geometry Room and each Mountainview College's Materials Science Lab. The number of each Geometry Room's Sweat-Resistant Backpack equals the difference of each Materials Science Lab's Sweat-Resistant Backpack and each Materials Science Lab's Backpack. The number of each Mountainview College's Materials Science Lab equals 16. The number of each Geometry Room's Snowboard Backpack equals 5 more than each Aerospace Engineering Lab's Sweat-Resistant Backpack. The number of each Mountainview College's Geometry Room equals 7. How many Geometry Room does Riverside College have?

Define Mountainview College's Materials Science Lab as c; so c = 16. Define Riverside College's Geometry Room as y; so y = 18 + c = 18 + 16 = 11.

11

med

The number of each Dance Studio's Clear Backpack equals each Sociology Classroom's Backpack. The number of each Clear Backpack's Diary equals 1. The number of each Sociology Classroom's Astronomy Gear Backpack equals each Clear Backpack's Diary. The number of each Film Studio's Clear Backpack equals 13. The number of each Lumbar Pack's Notebook equals each Dance Studio's Backpack. The number of each Clear Backpack's Scrapbooking Paper equals the difference of each Sociology Classroom's Astronomy Gear Backpack and each Clear Backpack's Diary. The number of each Film Studio's Lumbar Pack equals each Astronomy Gear Backpack's Stationery. How many Stationery does Dance Studio have?

Define Clear Backpack's Diary as M; so M = 1. Define Sociology Classroom's Astronomy Gear Backpack as i; so i = M = 1. Define Dance Studio's Clear Backpack as BACK. Define Clear Backpack's Scrapbooking Paper as Z; so Z = i - M = 1 - 1 = 0. Define Sociology Classroom's Backpack as p; so p = i = 1. Define Dance Studio's Clear Backpack as F; so F = p = 1. Define Clear Backpack's Stationery as m; so m = Z + M = 0 + 1 = 1. Define Dance Studio's Stationery as h; so h = F * m = 1 * 1 = 1.

1

hard

The number of each Niagara Falls Aviary's Camel Yard equals the sum of each Zebra Paddock's Animal, each Zebra Paddock's Toad and each Zebra Paddock's Hellbender. The number of each Toad's Intermediate Carpal equals 11 more than each Niagara Falls Aviary's Enclosure. The number of each Camel Yard's Fire Salamander equals 15. The number of each Toad's Metacarpal IV equals the difference of each Zebra Paddock's Animal and each Zebra Paddock's Hellbender. The number of each Zebra Paddock's Hellbender equals each Primate House's Bone. The number of each Tracy Aviary's Zebra Paddock equals each Tracy Aviary's Primate House. The number of each Zebra Paddock's Toad equals 20. The number of each Hellbender's Radial Carpal equals 20 more than the sum of each Niagara Falls Aviary's Camel Yard and each Toad's Metacarpal IV. The number of each Tracy Aviary's Primate House equals each Oklahoma City Zoo and Botanical Garden's Animal. The number of each Camel Yard's Toad equals 13 more than each Camel Yard's Fire Salamander. The number of each Camel Yard's Hellbender equals the sum of each Primate House's Bone and each Zebra Paddock's Toad. The number of each Oklahoma City Zoo and Botanical Garden's Camel Yard equals the sum of each Primate House's Bone and each Zebra Paddock's Toad. How many Bone does Zebra Paddock have?

Define Zebra Paddock's Toad as t; so t = 20. Define Primate House's Bone as d; so d = 0. Define Zebra Paddock's Hellbender as Z; so Z = d = 0. Define Tracy Aviary's Bone as BACK. Define Zebra Paddock's Animal as I; so I = Z + t = 0 + 20 = 20. Define Niagara Falls Aviary's Camel Yard as u; A = I + t = 20 + 20 = 17; so u = A + Z = 17 + 0 = 17. Define Niagara Falls Aviary's Enclosure as f; so f = u = 17. Define Toad's Intermediate Carpal as c; so c = 11 + f = 11 + 17 = 5. Define Toad's Metacarpal IV as T; so T = I - Z = 20 - 0 = 20. Define Hellbender's Radial Carpal as w; J = u + T = 17 + 20 = 14; so w = 20 + J = 20 + 14 = 11. Define Hellbender's Bone as x; so x = w = 11. Define Toad's Bone as q; so q = T + c = 20 + 5 = 2. Define Tracy Aviary's Enclosure as BACK. Define Zebra Paddock's Bone as k; M = Z * x = 0 * 11 = 0; B = t * q = 20 * 2 = 17; so k = M + B = 0 + 17 = 17.

17

hard

The number of each Rotifer's Intercostal Muscles equals 10 times as much as the difference of each Stentor's Carina and each Freshwater Lake's Creatures. The number of each Rotifer's Carina equals 12 times as much as the sum of each Freshwater Lake's Creatures and each Stentor's Carina. The number of each Stentor's Intercostal Muscles equals the sum of each Rotifer's Organs, each Rotifer's Intercostal Muscles and each Stentor's Carina. The number of each Hydrothermal Vent's Stentor equals each Stentor's Carina. The number of each Stentor's Carina equals 5. The number of each Freshwater Lake's Rotifer equals 16 times as much as the sum of each Hydrothermal Vent's Stentor and each Stentor's Carina. How many Organs does Freshwater Lake have?

Define Stentor's Carina as K; so K = 5. Define Hydrothermal Vent's Stentor as l; so l = K = 5. Define Freshwater Lake's Rotifer as g; u = l + K = 5 + 5 = 10; so g = 16 * u = 16 * 10 = 22. Define Freshwater Lake's Creatures as Z; so Z = g = 22. Define Rotifer's Intercostal Muscles as r; Q = K - Z = 5 - 22 = 6; so r = 10 * Q = 10 * 6 = 14. Define Rotifer's Carina as U; B = Z + K = 22 + 5 = 4; so U = 12 * B = 12 * 4 = 2. Define Rotifer's Organs as E; so E = r + U = 14 + 2 = 16. Define Freshwater Lake's Organs as f; so f = g * E = 22 * 16 = 7.

7

hard

The number of each Mojave Desert's Rotifer equals 11. The number of each Colorado Plateau Desert's Volvox equals 18 more than the sum of each Mojave Desert's Rotifer and each Dasht-e Lut's Euglena. The number of each Dasht-e Lut's E coli equals 8. The number of each Dasht-e Kavir's E coli equals the sum of each Mojave Desert's Volvox, each Colorado Plateau Desert's E coli, each Dasht-e Kavir's Euglena and each Dasht-e Lut's Volvox. The number of each Dasht-e Kavir's Volvox equals 6. The number of each Dasht-e Lut's Volvox equals 9. The number of each Colorado Plateau Desert's Euglena equals 14. The number of each Dasht-e Kavir's Rotifer equals 18 times as much as each Dasht-e Lut's Euglena. The number of each Dasht-e Kavir's Euglena equals 10. The number of each Dasht-e Lut's Euglena equals each Dasht-e Lut's E coli. The number of each Dasht-e Lut's Rotifer equals 2. The number of each Mojave Desert's Euglena equals 13 times as much as the sum of each Dasht-e Lut's Rotifer and each Dasht-e Lut's Volvox. The number of each Colorado Plateau Desert's E coli equals 19 more than each Mojave Desert's Volvox. The number of each Colorado Plateau Desert's Rotifer equals each Mojave Desert's E coli. The number of each Mojave Desert's Volvox equals 20 more than each Dasht-e Lut's Volvox. The number of each Mojave Desert's E coli equals each Mojave Desert's Rotifer. How many E coli does Colorado Plateau Desert have?

Define Dasht-e Lut's Volvox as X; so X = 9. Define Mojave Desert's Volvox as F; so F = 20 + X = 20 + 9 = 6. Define Colorado Plateau Desert's E coli as v; so v = 19 + F = 19 + 6 = 2.

2

hard

The number of each Earth Science Lab's Tech Backpack equals 17. The number of each Inorganic Chemistry Lab's Executive Backpack equals each Inorganic Chemistry Lab's Tech Backpack. The number of each Botany Lab's Executive Backpack equals the sum of each Computer Science Lab's Tech Backpack, each Inorganic Chemistry Lab's Tech Backpack and each Inorganic Chemistry Lab's Drone Backpack. The number of each Computer Science Lab's Executive Backpack equals 2. The number of each Computer Science Lab's Modular Backpack equals 8. The number of each Botany Lab's Modular Backpack equals 1. The number of each Inorganic Chemistry Lab's Drone Backpack equals each Earth Science Lab's Tech Backpack. The number of each Botany Lab's Drone Backpack equals the sum of each Inorganic Chemistry Lab's Executive Backpack, each Inorganic Chemistry Lab's Tech Backpack and each Computer Science Lab's Executive Backpack. The number of each Inorganic Chemistry Lab's Modular Backpack equals 22. The number of each Earth Science Lab's Modular Backpack equals 22. The number of each Inorganic Chemistry Lab's Tech Backpack equals 5 times as much as each Earth Science Lab's Drone Backpack. The number of each Computer Science Lab's Tech Backpack equals 5 times as much as each Earth Science Lab's Drone Backpack. The number of each Earth Science Lab's Executive Backpack equals each Inorganic Chemistry Lab's Executive Backpack. The number of each Earth Science Lab's Drone Backpack equals each Computer Science Lab's Executive Backpack. How many Tech Backpack does Inorganic Chemistry Lab have?

Define Computer Science Lab's Executive Backpack as w; so w = 2. Define Earth Science Lab's Drone Backpack as b; so b = w = 2. Define Inorganic Chemistry Lab's Tech Backpack as T; so T = 5 * b = 5 * 2 = 10.

10

med

The number of each Kruger National Park's Cheetah Run equals each Etosha National Park's Enclosure. The number of each Etosha National Park's Hippopotamus Tank equals 9. The number of each Etosha National Park's Cheetah Run equals each Etosha National Park's Hippopotamus Tank. The number of each Etosha National Park's Bat Cave equals 3 more than each Etosha National Park's Hippopotamus Tank. The number of each Kruger National Park's Hippopotamus Tank equals each Pilanesberg National Park's Hippopotamus Tank. The number of each Pilanesberg National Park's Hippopotamus Tank equals each Etosha National Park's Enclosure. The number of each Kruger National Park's Bat Cave equals each Pilanesberg National Park's Enclosure. The number of each Pilanesberg National Park's Cheetah Run equals each Etosha National Park's Bat Cave. The number of each Pilanesberg National Park's Bat Cave equals 19 times as much as each Etosha National Park's Enclosure. How many Enclosure does Kruger National Park have?

Define Etosha National Park's Hippopotamus Tank as U; so U = 9. Define Etosha National Park's Cheetah Run as r; so r = U = 9. Define Etosha National Park's Bat Cave as w; so w = 3 + U = 3 + 9 = 12. Define Etosha National Park's Enclosure as c; P = w + U = 12 + 9 = 21; so c = P + r = 21 + 9 = 7. Define Pilanesberg National Park's Hippopotamus Tank as o; so o = c = 7. Define Pilanesberg National Park's Bat Cave as n; so n = 19 * c = 19 * 7 = 18. Define Pilanesberg National Park's Cheetah Run as t; so t = w = 12. Define Pilanesberg National Park's Enclosure as Y; g = n + o = 18 + 7 = 2; so Y = g + t = 2 + 12 = 14. Define Kruger National Park's Bat Cave as M; so M = Y = 14. Define Kruger National Park's Hippopotamus Tank as k; so k = o = 7. Define Kruger National Park's Cheetah Run as S; so S = c = 7. Define Kruger National Park's Enclosure as u; A = M + k = 14 + 7 = 21; so u = A + S = 21 + 7 = 5.

5

hard

The number of each Herring's Middle Phalanx equals each Camel Yard's Salmon. The number of each Salmon's Radial Carpal equals 22 more than each Camel Yard's Salmon. The number of each Herring's Metacarpal V equals each Camel Yard's Salmon. The number of each Salmon's Middle Phalanx equals 22. The number of each Bat Cave's Herring equals 7 times as much as each Carp's Metacarpal V. The number of each Camel Yard's Herring equals 16 more than each Carp's Bone. The number of each Bat Cave's Salmon equals the sum of each Carp's Radial Carpal and each Carp's Metacarpal V. The number of each Zebra Paddock's Herring equals 12. The number of each Herring's Radial Carpal equals the difference of each Herring's Metacarpal V and each Camel Yard's Salmon. The number of each Bat Cave's Carp equals 3 more than each Carp's Bone. The number of each Camel Yard's Carp equals the difference of each Zebra Paddock's Animal and each Zebra Paddock's Herring. The number of each Zebra Paddock's Salmon equals 11. The number of each Carp's Radial Carpal equals 17. The number of each Zebra Paddock's Carp equals 2. The number of each Salmon's Metacarpal V equals each Camel Yard's Salmon. The number of each Camel Yard's Salmon equals 2. The number of each Carp's Metacarpal V equals 21 times as much as each Carp's Radial Carpal. How many Animal does Bat Cave have?

Define Carp's Radial Carpal as r; so r = 17. Define Carp's Metacarpal V as j; so j = 21 * r = 21 * 17 = 12. Define Bat Cave's Herring as m; so m = 7 * j = 7 * 12 = 15. Define Carp's Bone as W; so W = r + j = 17 + 12 = 6. Define Bat Cave's Carp as k; so k = 3 + W = 3 + 6 = 9. Define Bat Cave's Salmon as M; so M = r + j = 17 + 12 = 6. Define Bat Cave's Animal as t; f = m + M = 15 + 6 = 21; so t = f + k = 21 + 9 = 7.

7

hard

The number of each Gorgon's Hamstrings equals 11 times as much as each Alpine Grassland's Gorgon. The number of each Alpine Grassland's Dragon equals 11 more than each Dragon's Cartilage. The number of each Savanna's Gorgon equals 17. The number of each Dragon's Hamstrings equals 12 times as much as the sum of each Savanna's Gorgon and each Alpine Grassland's Gorgon. The number of each Gorgon's Rotator Cuff equals 7. The number of each Prairie's Dragon equals 3. The number of each Prairie's Gorgon equals each Dragon's Cartilage. The number of each Alpine Grassland's Gorgon equals 1 times as much as each Mermaid's Hamstrings. The number of each Mermaid's Rotator Cuff equals the sum of each Savanna's Gorgon, each Gorgon's Rotator Cuff, each Alpine Grassland's Dragon and each Prairie's Gorgon. The number of each Mermaid's Cartilage equals each Alpine Grassland's Gorgon. The number of each Gorgon's Cartilage equals each Savanna's Gorgon. The number of each Savanna's Dragon equals 0. The number of each Dragon's Cartilage equals 9 times as much as each Gorgon's Rotator Cuff. The number of each Mermaid's Hamstrings equals 21 times as much as the sum of each Savanna's Dragon, each Savanna's Gorgon and each Gorgon's Cartilage. The number of each Alpine Grassland's Mermaid equals 0. How many Cartilage does Dragon have?

Define Gorgon's Rotator Cuff as b; so b = 7. Define Dragon's Cartilage as R; so R = 9 * b = 9 * 7 = 17.

17

hard

The number of each Communication Studies Room's Athletic Backpack equals each Psychology Lab's Fashion School Backpack. The number of each Psychology Lab's Fashion School Backpack equals 21 more than each Behavioral Science Lab's Fashion School Backpack. The number of each Communication Studies Room's Canvas Backpack equals each Psychology Lab's Fashion School Backpack. The number of each Psychology Lab's Athletic Backpack equals 15. The number of each Behavioral Science Lab's Canvas Backpack equals each Communication Studies Room's Athletic Backpack. The number of each Behavioral Science Lab's Fashion School Backpack equals 0. The number of each Behavioral Science Lab's Athletic Backpack equals each Psychology Lab's Athletic Backpack. How many Fashion School Backpack does Psychology Lab have?

Define Behavioral Science Lab's Fashion School Backpack as L; so L = 0. Define Psychology Lab's Fashion School Backpack as f; so f = 21 + L = 21 + 0 = 21.

21

med

The number of each Pleura's Neutrophils equals each Pegasus's Pleura. The number of each Phoenix's Pleura equals 9 times as much as each Diaphragm's Neutrophils. The number of each Phoenix's Diaphragm equals each Diaphragm's Macrophages. The number of each Pegasus's Pleura equals 18. The number of each Diaphragm's Neutrophils equals 9. The number of each Diaphragm's Macrophages equals 1. How many Diaphragm does Phoenix have?

Define Diaphragm's Macrophages as H; so H = 1. Define Phoenix's Diaphragm as t; so t = H = 1.

1

hard

The number of each Sociology Lab's Backpacking Pack equals each Public Relations Studio's Carry-On Backpack. The number of each Ultralight Backpack's Ring Binder equals 0 more than each Weekender Backpack's Planner. The number of each Public Relations Studio's Backpacking Pack equals 4. The number of each Backpacking Pack's Accordion File equals 15. The number of each Public Relations Studio's Ultralight Backpack equals 20 times as much as the sum of each Weekender Backpack's Accordion File and each Public Relations Studio's Carry-On Backpack. The number of each Weekender Backpack's Planner equals 18. The number of each Weekender Backpack's Accordion File equals each Weekender Backpack's Planner. The number of each Education Studies Room's Weekender Backpack equals 12 times as much as the sum of each Backpacking Pack's Stationery and each Backpacking Pack's Accordion File. The number of each Public Relations Studio's Weekender Backpack equals 20. The number of each Sociology Lab's Weekender Backpack equals 20. The number of each Weekender Backpack's Ring Binder equals 9. The number of each Public Relations Studio's Carry-On Backpack equals each Weekender Backpack's Accordion File. How many Backpack does Education Studies Room have?

Define Backpacking Pack's Accordion File as X; so X = 15. Define Backpacking Pack's Stationery as S; so S = X = 15. Define Sociology Lab's Backpacking Pack as BACK. Define Education Studies Room's Weekender Backpack as B; O = S + X = 15 + 15 = 7; so B = 12 * O = 12 * 7 = 15. Define Education Studies Room's Backpack as i; so i = B = 15.

15

hard

The number of each Great Victoria Desert's Peacock equals the difference of each Elbow Joint's Uterine Muscle Cells and each Thar Desert's Vulture. The number of each Elbow Joint's Cardiac Muscle Cells equals 5. The number of each Elbow Joint's Uterine Muscle Cells equals the sum of each Thar Desert's Vulture and each Peacock's Hamstrings. The number of each Hamstrings's Gastrointestinal Smooth Muscle Cells equals the difference of each Mojave Desert's Organs and each Bald Eagle's Deltoid. The number of each Thar Desert's Vulture equals 20. The number of each Bald Eagle's Deltoid equals 1 more than each Deltoid's Cells. The number of each Peregrine Falcon's Humerus equals 7 times as much as the difference of each Vulture's Organs and each Peregrine Falcon's Elbow Joint. The number of each Elbow Joint's Skeletal Muscle Cells equals 19 more than the difference of each Bald Eagle's Organs and each Elbow Joint's Uterine Muscle Cells. The number of each Peacock's Hamstrings equals 16 more than each Thar Desert's Vulture. The number of each Mojave Desert's Bald Eagle equals each Peregrine Falcon's Elbow Joint. The number of each Peregrine Falcon's Elbow Joint equals 7 times as much as each Vulture's Organs. The number of each Dasht-e Kavir's Peregrine Falcon equals 4 times as much as the sum of each Humerus's Cells, each Elbow Joint's Uterine Muscle Cells and each Bald Eagle's Deltoid. How many Organs does Peregrine Falcon have?

Define Vulture's Organs as Q; so Q = 0. Define Peregrine Falcon's Elbow Joint as r; so r = 7 * Q = 7 * 0 = 0. Define Peregrine Falcon's Humerus as K; y = Q - r = 0 - 0 = 0; so K = 7 * y = 7 * 0 = 0. Define Peregrine Falcon's Organs as W; so W = K + r = 0 + 0 = 0.

0

med

The number of each Mangrove Forest's Lobster equals 11. The number of each Seahorse's Chambers of the Heart equals 18 times as much as the sum of each Coniferous Forest's Blue Whale and each Mangrove Forest's Lobster. The number of each Lobster's Venules equals 0 more than the sum of each Spruce-Fir Forest's Organs and each Blue Whale's Arterioles. The number of each Blue Whale's Chambers of the Heart equals 18. The number of each Blue Whale's Venules equals 7 times as much as each Blue Whale's Arterioles. The number of each Blue Whale's Arterioles equals 12. The number of each Coniferous Forest's Blue Whale equals 5. The number of each Spruce-Fir Forest's Blue Whale equals 9. The number of each Coniferous Forest's Seahorse equals 15. How many Venules does Lobster have?

Define Blue Whale's Chambers of the Heart as K; so K = 18. Define Blue Whale's Arterioles as e; so e = 12. Define Lobster's Venules as BACK. Define Blue Whale's Venules as k; so k = 7 * e = 7 * 12 = 15. Define Blue Whale's Organs as n; Y = k + K = 15 + 18 = 10; so n = Y + e = 10 + 12 = 22. Define Spruce-Fir Forest's Blue Whale as x; so x = 9. Define Spruce-Fir Forest's Organs as q; so q = x * n = 9 * 22 = 14. Define Lobster's Venules as Q; X = q + e = 14 + 12 = 3; so Q = 0 + X = 0 + 3 = 3.

3

med

The number of each Modular Backpack's Embossing Powder equals 0. The number of each Organizer Work Backpack's Gouache equals 18 times as much as the sum of each Drone Backpack's Stationery and each Drone Backpack's Masking Tape. The number of each Drone Backpack's Masking Tape equals 18. How many Stationery does Organizer Work Backpack have?

Define Drone Backpack's Masking Tape as O; so O = 18. Define Drone Backpack's Stationery as Z; so Z = O = 18. Define Organizer Work Backpack's Gouache as c; V = Z + O = 18 + 18 = 13; so c = 18 * V = 18 * 13 = 4. Define Organizer Work Backpack's Stationery as A; so A = c = 4.

4

hard

The number of each Beach Homes's Fiesta Foods equals each Condominium's Dollar General. The number of each Beach Homes's Price Rite equals each Beach Homes's Food 4 Less. The number of each Condominium's Dollar General equals 22 more than each Public Housing's Price Rite. The number of each Public Housing's Food 4 Less equals 21. The number of each Lake Homes's Price Rite equals 4. The number of each Public Housing's Price Rite equals 7. The number of each Lake Homes's Fiesta Foods equals the sum of each Lake Homes's Dollar General, each Condominium's Dollar General and each Beach Homes's Food 4 Less. The number of each Condominium's Price Rite equals 13. The number of each Beach Homes's Dollar General equals the sum of each Lake Homes's Dollar General, each Lake Homes's Price Rite and each Beach Homes's Price Rite. The number of each Condominium's Food 4 Less equals each Public Housing's Food 4 Less. The number of each Lake Homes's Food 4 Less equals the sum of each Condominium's Price Rite, each Condominium's Dollar General, each Public Housing's Dollar General and each Public Housing's Fiesta Foods. The number of each Public Housing's Dollar General equals 22 times as much as the sum of each Public Housing's Price Rite, each Condominium's Dollar General and each Condominium's Price Rite. The number of each Beach Homes's Food 4 Less equals each Public Housing's Food 4 Less. The number of each Public Housing's Fiesta Foods equals 11 times as much as the sum of each Public Housing's Dollar General, each Condominium's Dollar General and each Condominium's Price Rite. The number of each Condominium's Fiesta Foods equals 8. The number of each Lake Homes's Dollar General equals each Public Housing's Food 4 Less. How many Food 4 Less does Public Housing have?

Define Public Housing's Food 4 Less as W; so W = 21.

21

med

The number of each Insectarium of Boston's Giraffe Enclosure equals 2 more than each Bear Den's Flamingo. The number of each Insectarium of Boston's Bear Den equals each Giraffe Enclosure's Woodpecker. The number of each Giraffe Enclosure's Woodpecker equals 17. The number of each Bear Den's Flamingo equals 4. The number of each Phoenix Insectarium's Meerkat Manor equals 6. How many Animal does Phoenix Insectarium have?

Define Bear Den's Animal as BACK. Define Phoenix Insectarium's Meerkat Manor as B; so B = 6. Define Meerkat Manor's Animal as t; so t = 0. Define Insectarium of Boston's Animal as BACK. Define Phoenix Insectarium's Animal as E; so E = B * t = 6 * 0 = 0.

0

med

The number of each Padded Backpack's Spray Paint equals the difference of each Fashion Design Studio's Bookbag and each WorldWide Web University's Classroom. The number of each Digital Scholars's Ceramics Studio equals the sum of each Digital Scholars's History Classroom and each Rolling Backpack's Glitter. The number of each Rolling Backpack's Glitter equals 7. The number of each Ceramics Studio's Rolling Backpack equals 11. The number of each Digital Scholars's History Classroom equals 15 times as much as the sum of each Rolling Backpack's Glitter, each Fashion Design Studio's Bookbag and each Fashion Design Studio's Padded Backpack. The number of each Fashion Design Studio's Padded Backpack equals 20. The number of each Online Academy's Fashion Design Studio equals 2 times as much as the difference of each Fashion Design Studio's Rolling Backpack and each WorldWide Web University's Classroom. The number of each Fashion Design Studio's Rolling Backpack equals each History Classroom's Backpack. The number of each History Classroom's Padded Backpack equals 9 times as much as each WorldWide Web University's Classroom. The number of each Rolling Backpack's Craft Knife equals each Fashion Design Studio's Bookbag. The number of each Fashion Design Studio's Bookbag equals 10 more than each Rolling Backpack's Glitter. How many Classroom does Online Academy have?

Define WorldWide Web University's Classroom as N; so N = 0. Define History Classroom's Padded Backpack as u; so u = 9 * N = 9 * 0 = 0. Define History Classroom's Backpack as x; so x = u = 0. Define Fashion Design Studio's Rolling Backpack as O; so O = x = 0. Define Online Academy's Fashion Design Studio as i; j = O - N = 0 - 0 = 0; so i = 2 * j = 2 * 0 = 0. Define Online Academy's Classroom as v; so v = i = 0.

0

hard

The number of each Mantis Habitat's Anole equals each Python's Caudal Vertebrae 1. The number of each Honeybee Hive's Anole equals each Mantis Habitat's Gecko. The number of each Gecko's Caudal Vertebrae 1 equals each Gecko's Caudal Vertebrae 5. The number of each Gecko's Caudal Vertebrae 5 equals 22. The number of each Python's Caudal Vertebrae 1 equals 2. The number of each Beetle Bungalow's Gecko equals each Gecko's Caudal Vertebrae 5. The number of each Honeybee Hive's Python equals the sum of each Mantis Habitat's Gecko, each Honeybee Hive's Anole, each Python's Bone and each Beetle Bungalow's Gecko. The number of each Honeybee Hive's Gecko equals 14. The number of each Mantis Habitat's Python equals 6 times as much as the sum of each Python's Caudal Vertebrae 5 and each Mantis Habitat's Gecko. The number of each Python's Caudal Vertebrae 5 equals 8. The number of each Mantis Habitat's Gecko equals 13 more than each Python's Caudal Vertebrae 5. How many Bone does Gecko have?

Define Gecko's Caudal Vertebrae 5 as S; so S = 22. Define Gecko's Caudal Vertebrae 1 as s; so s = S = 22. Define Mantis Habitat's Gecko as BACK. Define Gecko's Bone as n; so n = s + S = 22 + 22 = 21.

21

med

The number of each Cardia's Thyroid Follicular Cells equals 11 more than the sum of each Pylorus's Cells, each Cardia's Intestinal Absorptive Cells and each Pylorus's Intestinal Absorptive Cells. The number of each Pylorus's Intestinal Absorptive Cells equals 7 more than each Cardia's Intestinal Absorptive Cells. The number of each Cardia's Intestinal Absorptive Cells equals 6. How many Thyroid Follicular Cells does Cardia have?

Define Cardia's Intestinal Absorptive Cells as Z; so Z = 6. Define Pylorus's Intestinal Absorptive Cells as n; so n = 7 + Z = 7 + 6 = 13. Define Pylorus's Cells as H; so H = n = 13. Define Cardia's Thyroid Follicular Cells as d; b = H + Z = 13 + 6 = 19; Q = b + n = 19 + 13 = 9; so d = 11 + Q = 11 + 9 = 20.

20

med

The number of each Research Park's Amazon Fresh equals 13 times as much as each Wall Street's Amazon Fresh. The number of each Amazon Fresh's Cookies equals each Research Park's Sun Basket. The number of each Research Park's Sun Basket equals 5 times as much as the difference of each Research Park's Amazon Fresh and each Wall Street's Amazon Fresh. The number of each Wall Street's Amazon Fresh equals 14. The number of each Sun Basket's Pies equals 14 more than the sum of each Sun Basket's Cookies, each Wall Street's Amazon Fresh and each Research Park's Sun Basket. The number of each Sun Basket's Cookies equals 15 more than each Amazon Fresh's Cookies. The number of each Amazon Fresh's Pies equals the sum of each Sun Basket's Pies, each Wall Street's Amazon Fresh and each Sun Basket's Cookies. How many Pies does Amazon Fresh have?

Define Wall Street's Supermarket as BACK. Define Wall Street's Amazon Fresh as C; so C = 14. Define Research Park's Amazon Fresh as E; so E = 13 * C = 13 * 14 = 21. Define Research Park's Sun Basket as g; k = E - C = 21 - 14 = 7; so g = 5 * k = 5 * 7 = 12. Define Amazon Fresh's Cookies as S; so S = g = 12. Define Sun Basket's Cookies as N; so N = 15 + S = 15 + 12 = 4. Define Sun Basket's Pies as B; h = N + C = 4 + 14 = 18; R = h + g = 18 + 12 = 7; so B = 14 + R = 14 + 7 = 21. Define Amazon Fresh's Pies as Q; y = B + C = 21 + 14 = 12; so Q = y + N = 12 + 4 = 16.

16

med

The number of each Canned Broth's Rosemary equals each Super Saver's Product. The number of each Super Saver's Canned Broth equals 16. The number of each Super Saver's Canned Soups equals 1 more than each Super Saver's Canned Broth. The number of each Canned Broth's Onion Powder equals 3. The number of each Canned Soups's Onion Powder equals 19. How many Onion Powder does Canned Broth have?

Define Canned Broth's Onion Powder as e; so e = 3.

3

med

The number of each Rainforest's Stentor equals 18 times as much as each Diatom's Diaphragm. The number of each Diatom's Respiratory Mucosa equals each Stentor's Organs. The number of each Temperate Evergreen Forest's Diatom equals each Rainforest's Organs. The number of each Diatom's Diaphragm equals 12. The number of each Temperate Evergreen Forest's Stentor equals each Diatom's Respiratory Mucosa. The number of each Stentor's Respiratory Mucosa equals each Rainforest's Creatures. How many Organs does Stentor have?

Define Diatom's Diaphragm as v; so v = 12. Define Rainforest's Stentor as u; so u = 18 * v = 18 * 12 = 9. Define Rainforest's Creatures as b; so b = u = 9. Define Stentor's Respiratory Mucosa as A; so A = b = 9. Define Stentor's Organs as Q; so Q = A = 9.

9

med

The number of each Cream Cheese's Brown Rice equals 4. The number of each Parmesan Cheese's Barley equals 12. The number of each Monterey Jack Cheese's Whole Wheat equals 17. The number of each Monterey Jack Cheese's Barley equals each Cream Cheese's Brown Rice. The number of each Parmesan Cheese's Brown Rice equals 20. The number of each Cream Cheese's Barley equals each Monterey Jack Cheese's Barley. The number of each Monterey Jack Cheese's Brown Rice equals 9 more than the sum of each Cream Cheese's Brown Rice and each Monterey Jack Cheese's Barley. The number of each Cream Cheese's Whole Wheat equals each Monterey Jack Cheese's Brown Rice. The number of each Parmesan Cheese's Whole Wheat equals the sum of each Cream Cheese's Whole Wheat, each Monterey Jack Cheese's Brown Rice and each Cream Cheese's Ingredient. How many Brown Rice does Parmesan Cheese have?

Define Parmesan Cheese's Brown Rice as H; so H = 20.

20

med

The number of each Shop 'n Save's Pies equals 12. The number of each Market Basket's Cinnamon Rolls equals 12 more than each Smart & Final's Pies. The number of each Market Basket's Pies equals 1 more than the difference of each Market Basket's Cinnamon Rolls and each Smart & Final's Pies. The number of each Shop 'n Save's Pastries equals the difference of each Market Basket's Pies and each Market Basket's Cinnamon Rolls. The number of each Market Basket's Pastries equals each Market Basket's Pies. The number of each Smart & Final's Cinnamon Rolls equals 17. The number of each Smart & Final's Pies equals 17. The number of each Smart & Final's Pastries equals 9 times as much as the difference of each Smart & Final's Pies and each Shop 'n Save's Product. The number of each Shop 'n Save's Cinnamon Rolls equals 22 times as much as each Shop 'n Save's Pies. How many Pies does Market Basket have?

Define Smart & Final's Pies as W; so W = 17. Define Market Basket's Cinnamon Rolls as L; so L = 12 + W = 12 + 17 = 6. Define Market Basket's Pies as M; s = L - W = 6 - 17 = 12; so M = 1 + s = 1 + 12 = 13.

13

med

The number of each New Grand Mart's Canned Sauces equals 3 more than each New Grand Mart's Canned Fish. The number of each Federal District's New Grand Mart equals 7 more than the difference of each New Grand Mart's Canned Sauces and each Zion Market's Canned Sauces. The number of each Federal District's Zion Market equals 15. The number of each Public Service District's New Grand Mart equals 7. The number of each Zion Market's Canned Sauces equals the sum of each Federal District's Zion Market and each Public Service District's New Grand Mart. The number of each New Grand Mart's Canned Fish equals 3. How many Product does New Grand Mart have?

Define New Grand Mart's Canned Fish as c; so c = 3. Define New Grand Mart's Canned Sauces as X; so X = 3 + c = 3 + 3 = 6. Define New Grand Mart's Product as v; so v = X + c = 6 + 3 = 9.

9

med

The number of each Falcon's Scapula equals 14 times as much as each Owl's Scapula. The number of each Eagle's Scapula equals 14 more than each Falcon's Scapula. The number of each Owl's Scapula equals 9 more than each Owl's Distal Phalanges. The number of each Eagle's Ulna equals 7. The number of each Owl's Distal Phalanges equals 14. The number of each Falcon's Ulna equals 3 times as much as each Owl's Ulna. The number of each Eagle's Distal Phalanges equals 11. The number of each Falcon's Distal Phalanges equals the difference of each Owl's Ulna and each Falcon's Ulna. The number of each Owl's Ulna equals 5. How many Scapula does Eagle have?

Define Owl's Distal Phalanges as k; so k = 14. Define Owl's Scapula as q; so q = 9 + k = 9 + 14 = 0. Define Eagle's Bone as BACK. Define Falcon's Scapula as g; so g = 14 * q = 14 * 0 = 0. Define Eagle's Scapula as D; so D = 14 + g = 14 + 0 = 14.

14

hard

The number of each Kings Park in Perth's Coral equals 13 more than each Kings Park in Perth's Manta Ray. The number of each Golden Gate Park in San Francisco's Coral equals the difference of each Kings Park in Perth's Crab and each Kings Park in Perth's Manta Ray. The number of each Golden Gate Park in San Francisco's Manta Ray equals 22 times as much as each Golden Gate Park in San Francisco's Crab. The number of each Yoyogi Park in Tokyo's Coral equals 12 more than each Golden Gate Park in San Francisco's Coral. The number of each Yoyogi Park in Tokyo's Manta Ray equals 5 more than the sum of each Kings Park in Perth's Coral and each Kings Park in Perth's Manta Ray. The number of each Golden Gate Park in San Francisco's Crab equals 1. The number of each Kings Park in Perth's Manta Ray equals 14. The number of each Yoyogi Park in Tokyo's Crab equals the sum of each Golden Gate Park in San Francisco's Coral, each Kings Park in Perth's Coral, each Yoyogi Park in Tokyo's Manta Ray and each Golden Gate Park in San Francisco's Manta Ray. The number of each Kings Park in Perth's Crab equals each Yoyogi Park in Tokyo's Manta Ray. How many Coral does Yoyogi Park in Tokyo have?

Define Kings Park in Perth's Manta Ray as H; so H = 14. Define Yoyogi Park in Tokyo's Coral as BACK. Define Kings Park in Perth's Coral as U; so U = 13 + H = 13 + 14 = 4. Define Yoyogi Park in Tokyo's Coral as BACK. Define Yoyogi Park in Tokyo's Manta Ray as y; W = U + H = 4 + 14 = 18; so y = 5 + W = 5 + 18 = 0. Define Kings Park in Perth's Crab as X; so X = y = 0. Define Golden Gate Park in San Francisco's Coral as p; so p = X - H = 0 - 14 = 9. Define Yoyogi Park in Tokyo's Coral as O; so O = 12 + p = 12 + 9 = 21.

21

med

The number of each Starlight College's Digital Arts Studio equals 7. The number of each Starlight College's Film Studio equals each Starlight College's Dance Studio. The number of each Lakefront Community College's Film Studio equals 3. The number of each Crescent College's Dance Studio equals the sum of each Lakefront Community College's Film Studio, each Crescent College's Film Studio and each Starlight College's Digital Arts Studio. The number of each Crescent College's Literature Classroom equals each Lakefront Community College's Film Studio. The number of each Lakefront Community College's Dance Studio equals each Crescent College's Literature Classroom. The number of each Starlight College's Dance Studio equals the sum of each Lakefront Community College's Dance Studio and each Crescent College's Literature Classroom. The number of each Starlight College's Literature Classroom equals 12 more than each Starlight College's Digital Arts Studio. The number of each Crescent College's Film Studio equals each Starlight College's Film Studio. The number of each Lakefront Community College's Digital Arts Studio equals the sum of each Starlight College's Literature Classroom and each Lakefront Community College's Film Studio. How many Film Studio does Crescent College have?

Define Lakefront Community College's Film Studio as Q; so Q = 3. Define Crescent College's Literature Classroom as y; so y = Q = 3. Define Lakefront Community College's Dance Studio as j; so j = y = 3. Define Starlight College's Dance Studio as Z; so Z = j + y = 3 + 3 = 6. Define Starlight College's Film Studio as P; so P = Z = 6. Define Crescent College's Film Studio as a; so a = P = 6.

6

med

The number of each Eel's Basal Plate equals 9. The number of each Goldfish's Hypurals equals each Ant Farm's Eel. The number of each The Florida Aquarium's Spider Web Exhibit equals each Adventure Aquarium's Enclosure. The number of each Tarantula Terrarium's Mahi Mahi equals 22 more than each Eel's Basal Plate. The number of each Stick Insect Forest's Mahi Mahi equals the sum of each Adventure Aquarium's Ant Farm, each Eel's Postzygapophyses, each Eel's Bone and each Goldfish's Caudal Fin Rays. The number of each Stick Insect Forest's Halibut equals 21. The number of each The Florida Aquarium's Ant Farm equals each Stick Insect Forest's Halibut. The number of each Goldfish's Caudal Fin Rays equals each Halibut's Bone. The number of each Eel's Postzygapophyses equals 8 times as much as each Adventure Aquarium's Animal. The number of each Stick Insect Forest's Goldfish equals each Ant Farm's Eel. The number of each Shedd Aquarium's Tarantula Terrarium equals 5 times as much as each Stick Insect Forest's Halibut. The number of each Adventure Aquarium's Ant Farm equals 6. The number of each Ripley's Aquarium of Canada's Stick Insect Forest equals 10 more than the sum of each Stick Insect Forest's Halibut and each Adventure Aquarium's Enclosure. The number of each Ant Farm's Eel equals 10. How many Bone does Ant Farm have?

Define Adventure Aquarium's Ant Farm as j; so j = 6. Define Stick Insect Forest's Animal as BACK. Define Ant Farm's Eel as r; so r = 10. Define Ant Farm's Animal as D; so D = r = 10. Define Adventure Aquarium's Animal as N; so N = j * D = 6 * 10 = 14. Define Eel's Postzygapophyses as W; so W = 8 * N = 8 * 14 = 20. Define Goldfish's Bone as BACK. Define Eel's Basal Plate as m; so m = 9. Define Eel's Bone as L; so L = W + m = 20 + 9 = 6. Define Ant Farm's Bone as k; so k = r * L = 10 * 6 = 14.

14

hard

The number of each Marc's's Whipped Cream equals each Entertainment District's Supermarket. The number of each Whipped Cream's Paprika equals 2. The number of each Marc's's Butter equals each Whipped Cream's Paprika. The number of each Family Dollar's Milk equals 4. The number of each Entertainment District's Family Dollar equals each Milk's Cloves. The number of each Milk's Cloves equals each Marc's's Butter. The number of each Automotive District's Marc's equals 7 times as much as each Entertainment District's Ingredient. The number of each Milk's Nutmeg equals each Marc's's Butter. How many Marc's does Automotive District have?

Define Whipped Cream's Paprika as q; so q = 2. Define Marc's's Butter as G; so G = q = 2. Define Milk's Nutmeg as o; so o = G = 2. Define Milk's Cloves as r; so r = G = 2. Define Milk's Ingredient as k; so k = o + r = 2 + 2 = 4. Define Family Dollar's Milk as O; so O = 4. Define Entertainment District's Family Dollar as W; so W = r = 2. Define Family Dollar's Ingredient as Q; so Q = O * k = 4 * 4 = 16. Define Entertainment District's Ingredient as H; so H = W * Q = 2 * 16 = 9. Define Automotive District's Marc's as t; so t = 7 * H = 7 * 9 = 17.

17

hard

The number of each Chimera's Salivary Glands equals the sum of each Salivary Glands's Cerebral Cortex Neurons, each Mermaid's Cells and each Gallbladder's Hypothalamic Neurons. The number of each Gallbladder's Neurons equals the sum of each Mermaid's Organs, each Mermaid's Gallbladder, each Gallbladder's Hypothalamic Neurons and each Mermaid's Salivary Glands. The number of each Mermaid's Salivary Glands equals 3 times as much as each Mermaid's Gallbladder. The number of each Gallbladder's Cerebral Cortex Neurons equals 0. The number of each Salivary Glands's Hypothalamic Neurons equals 1 times as much as each Gallbladder's Hypothalamic Neurons. The number of each Salivary Glands's Neurons equals 14 times as much as the sum of each Gallbladder's Hypothalamic Neurons, each Mermaid's Gallbladder and each Salivary Glands's Hypothalamic Neurons. The number of each Salivary Glands's Cerebral Cortex Neurons equals the sum of each Gallbladder's Hypothalamic Neurons and each Salivary Glands's Hypothalamic Neurons. The number of each Mermaid's Gallbladder equals 2. The number of each Chimera's Gallbladder equals the difference of each Gallbladder's Neurons and each Salivary Glands's Cells. The number of each Gallbladder's Hypothalamic Neurons equals 7. How many Organs does Mermaid have?

Define Mermaid's Gallbladder as h; so h = 2. Define Gallbladder's Cells as BACK. Define Mermaid's Salivary Glands as m; so m = 3 * h = 3 * 2 = 6. Define Mermaid's Organs as C; so C = h + m = 2 + 6 = 8.

8

med

The number of each WinCo Foods's Canned Peaches equals each Save Mart's Canned Peaches. The number of each Castle District's Save Mart equals the difference of each WinCo Foods's Canned Peaches and each Save Mart's Canned Peaches. The number of each Save Mart's Canned Soups equals 18. The number of each WinCo Foods's Canned Soups equals each Save Mart's Canned Soups. The number of each Monument Zone's Save Mart equals each Save Mart's Canned Soups. The number of each Castle District's WinCo Foods equals the sum of each Save Mart's Canned Peaches and each WinCo Foods's Canned Peaches. The number of each Save Mart's Canned Peaches equals each WinCo Foods's Canned Peas. The number of each Monument Zone's WinCo Foods equals 8 more than each Castle District's Supermarket. The number of each Save Mart's Canned Peas equals 9 more than each Monument Zone's Save Mart. The number of each WinCo Foods's Canned Peas equals 16. How many Save Mart does Castle District have?

Define WinCo Foods's Canned Peas as Y; so Y = 16. Define Save Mart's Canned Peaches as B; so B = Y = 16. Define WinCo Foods's Canned Peaches as o; so o = B = 16. Define Castle District's Save Mart as U; so U = o - B = 16 - 16 = 0.

0

hard

The number of each Coral's Pylorus equals 18 more than the sum of each Sea Anemone's Pancreas, each Sea Anemone's Organs and each Dolphin's Organs. The number of each Jellyfish's Appendix equals the sum of each Sea Anemone's Pancreas and each Coral's Anus. The number of each Sea Anemone's Pancreas equals 8. The number of each Dolphin's Pylorus equals each Sea Anemone's Pancreas. The number of each Coral's Anus equals 2 more than the sum of each Coral's Pylorus and each Dolphin's Organs. How many Pylorus does Dolphin have?

Define Sea Anemone's Pancreas as u; so u = 8. Define Dolphin's Pylorus as E; so E = u = 8.

8

med

The number of each Leopard's Hippocampus equals the sum of each Mixed Grass Prairie's Creatures, each Chimpanzee's Organs, each Prairie's Leopard and each Mixed Grass Prairie's Chimpanzee. The number of each Leopard's Amygdala equals 8. The number of each Chimpanzee's Frontal Lobe equals each Jaguar's Amygdala. The number of each Chimpanzee's Occipital Lobe equals each Prairie's Lion. The number of each Jaguar's Amygdala equals the difference of each Prairie's Lion and each Mixed Grass Prairie's Chimpanzee. The number of each Jaguar's Occipital Lobe equals each Lion's Organs. The number of each Jaguar's Frontal Lobe equals the sum of each Montane Grassland's Organs and each Chimpanzee's Frontal Lobe. The number of each Prairie's Jaguar equals 11 more than each Prairie's Lion. The number of each Prairie's Leopard equals each Prairie's Jaguar. The number of each Leopard's Occipital Lobe equals each Montane Grassland's Organs. The number of each Montane Grassland's Lion equals each Leopard's Amygdala. The number of each Prairie's Lion equals 9. The number of each Flooded Grassland's Jaguar equals 4. The number of each Mixed Grass Prairie's Chimpanzee equals 19 times as much as the difference of each Prairie's Lion and each Prairie's Jaguar. The number of each Leopard's Frontal Lobe equals each Flooded Grassland's Creatures. The number of each Flooded Grassland's Lion equals 10 times as much as each Prairie's Leopard. How many Amygdala does Leopard have?

Define Leopard's Amygdala as N; so N = 8.

8

hard

The number of each Lion Exhibit's Swordfish equals the sum of each Baltimore Aquarium's Enclosure and each Kangaroo Walkabout's Haddock. The number of each Goldfish's Ulna equals 9 more than each Haddock's Ulna. The number of each Swordfish's Tertials equals each Lion Exhibit's Animal. The number of each Giraffe Enclosure's Haddock equals the sum of each Kangaroo Walkabout's Goldfish, each Goldfish's Metacarpals, each Oceanografic's Enclosure and each SeaWorld Orlando's Lion Exhibit. The number of each SeaWorld Orlando's Giraffe Enclosure equals 17. The number of each Goldfish's Metacarpals equals 12. The number of each SeaWorld Orlando's Lion Exhibit equals each Lion Exhibit's Animal. The number of each Oceanografic's Kangaroo Walkabout equals 7. The number of each Giraffe Enclosure's Swordfish equals 19 more than the sum of each Oceanografic's Kangaroo Walkabout, each Oceanografic's Giraffe Enclosure and each Goldfish's Metacarpals. The number of each Haddock's Ulna equals each Giraffe Enclosure's Swordfish. The number of each Oceanografic's Giraffe Enclosure equals 5 times as much as each Oceanografic's Kangaroo Walkabout. The number of each Kangaroo Walkabout's Haddock equals 8. The number of each Haddock's Tertials equals the sum of each Kangaroo Walkabout's Haddock, each Oceanografic's Kangaroo Walkabout, each Kangaroo Walkabout's Goldfish and each Lion Exhibit's Swordfish. The number of each Baltimore Aquarium's Giraffe Enclosure equals 5 times as much as each Kangaroo Walkabout's Animal. The number of each Kangaroo Walkabout's Goldfish equals 10 times as much as each Kangaroo Walkabout's Haddock. The number of each Swordfish's Ulna equals 21 more than the difference of each Swordfish's Tertials and each Oceanografic's Animal. How many Lion Exhibit does SeaWorld Orlando have?

Define Kangaroo Walkabout's Haddock as p; so p = 8. Define Kangaroo Walkabout's Goldfish as O; so O = 10 * p = 10 * 8 = 11. Define Kangaroo Walkabout's Animal as o; so o = O + p = 11 + 8 = 19. Define Baltimore Aquarium's Giraffe Enclosure as y; so y = 5 * o = 5 * 19 = 3. Define Baltimore Aquarium's Enclosure as U; so U = y = 3. Define Lion Exhibit's Swordfish as Q; so Q = U + p = 3 + 8 = 11. Define Lion Exhibit's Animal as l; so l = Q = 11. Define SeaWorld Orlando's Lion Exhibit as t; so t = l = 11.

11

med

The number of each Toucan Terrace's Skink equals 4 times as much as each Penguin Exhibit's Snake. The number of each Penguin Exhibit's Monitor Lizard equals the sum of each Monitor Lizard's Epicentrals, each Monitor Lizard's Anal Fin Rays, each Penguin Exhibit's Snake and each Monitor Lizard's Neural Spines. The number of each Penguin Exhibit's Snake equals 22. The number of each Snake's Neural Spines equals 20. The number of each Monitor Lizard's Epicentrals equals 19. The number of each Monitor Lizard's Pectoral Fin Rays equals the sum of each Aviary's Monitor Lizard, each Penguin Exhibit's Skink and each Snake's Pectoral Fin Rays. The number of each Penguin Exhibit's Skink equals the sum of each Skink's Epicentrals and each Skink's Bone. The number of each Hawk Haven's Monitor Lizard equals each Turtle's Neural Spines. The number of each Skink's Epicentrals equals 9 times as much as the sum of each Hawk Haven's Monitor Lizard, each Turtle's Epicentrals and each Turtle's Anal Fin Rays. The number of each Skink's Pectoral Fin Rays equals 21 times as much as the sum of each Penguin Exhibit's Snake, each Monitor Lizard's Anal Fin Rays and each Monitor Lizard's Epicentrals. The number of each Turtle's Epicentrals equals 20. The number of each Snake's Pectoral Fin Rays equals each Turtle's Anal Fin Rays. The number of each Monitor Lizard's Anal Fin Rays equals 2. The number of each Aviary's Monitor Lizard equals each Hawk Haven's Monitor Lizard. The number of each Turtle's Anal Fin Rays equals 18. The number of each Penguin Exhibit's Turtle equals the sum of each Turtle's Neural Spines and each Turtle's Anal Fin Rays. The number of each Hawk Haven's Turtle equals the sum of each Monitor Lizard's Epicentrals, each Monitor Lizard's Neural Spines and each Monitor Lizard's Anal Fin Rays. The number of each Monitor Lizard's Neural Spines equals each Monitor Lizard's Anal Fin Rays. The number of each Turtle's Neural Spines equals each Turtle's Anal Fin Rays. The number of each Hawk Haven's Skink equals the difference of each Hawk Haven's Turtle and each Turtle's Bone. How many Monitor Lizard does Aviary have?

Define Toucan Terrace's Skink as BACK. Define Hawk Haven's Turtle as BACK. Define Turtle's Anal Fin Rays as P; so P = 18. Define Turtle's Neural Spines as J; so J = P = 18. Define Hawk Haven's Monitor Lizard as y; so y = J = 18. Define Aviary's Monitor Lizard as I; so I = y = 18.

18

hard

The number of each Pharynx's Interneurons equals 15 more than the sum of each Staphylococcus's Cells and each Sigmoid Colon's Thalamic Neurons. The number of each Pharynx's Astrocytes equals 17 more than each Anus's Thalamic Neurons. The number of each Gallbladder's Astrocytes equals each Pharynx's Interneurons. The number of each Anus's Thalamic Neurons equals 12. The number of each Trichomonas's Gallbladder equals 15 times as much as each Gallbladder's Cells. The number of each Staphylococcus's Sigmoid Colon equals 1 more than each Sigmoid Colon's Cells. The number of each Anus's Purkinje Cells equals the sum of each Nematode's Organs, each Sigmoid Colon's Cells, each Pharynx's Astrocytes and each Anus's Thalamic Neurons. The number of each Sigmoid Colon's Thalamic Neurons equals each Diatom's Pharynx. The number of each Diatom's Anus equals the sum of each Anus's Thalamic Neurons, each Staphylococcus's Cells and each Staphylococcus's Organs. The number of each Diatom's Pharynx equals 6. How many Cells does Trichomonas have?

Define Diatom's Pharynx as N; so N = 6. Define Sigmoid Colon's Thalamic Neurons as s; so s = N = 6. Define Sigmoid Colon's Cells as l; so l = s = 6. Define Staphylococcus's Sigmoid Colon as W; so W = 1 + l = 1 + 6 = 7. Define Staphylococcus's Cells as f; so f = W * l = 7 * 6 = 19. Define Pharynx's Interneurons as y; j = f + s = 19 + 6 = 2; so y = 15 + j = 15 + 2 = 17. Define Gallbladder's Astrocytes as X; so X = y = 17. Define Diatom's Anus as BACK. Define Gallbladder's Cells as Y; so Y = X = 17. Define Diatom's Cells as BACK. Define Trichomonas's Gallbladder as t; so t = 15 * Y = 15 * 17 = 2. Define Trichomonas's Cells as D; so D = t * Y = 2 * 17 = 11.

11

med