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RLAIF 13

The number of each WorldWide Web University's Language Classroom equals 7 more than the difference of each Language Classroom's Conference Backpack and each Anthropology Classroom's Drone Backpack. The number of each WorldWide Web University's Anthropology Classroom equals 8 times as much as each WebMasters Academy's Anthropology Classroom. The number of each WebMasters Academy's Fashion Design Studio equals 20 times as much as each WorldWide Web University's Anthropology Classroom. The number of each Fashion Design Studio's Conference Backpack equals 19 times as much as the difference of each WorldWide Web University's Anthropology Classroom and each WebMasters Academy's Anthropology Classroom. The number of each Anthropology Classroom's Work Rucksack equals 22. The number of each Fashion Design Studio's Work Rucksack equals each CyberScholars's Anthropology Classroom. The number of each CyberScholars's Anthropology Classroom equals 19 more than the sum of each WorldWide Web University's Anthropology Classroom, each Fashion Design Studio's Conference Backpack and each WebMasters Academy's Anthropology Classroom. The number of each Anthropology Classroom's Conference Backpack equals 18 times as much as each Language Classroom's Drone Backpack. The number of each WorldWide Web University's Fashion Design Studio equals each Language Classroom's Conference Backpack. The number of each Language Classroom's Drone Backpack equals 10 times as much as the sum of each Anthropology Classroom's Work Rucksack, each CyberScholars's Anthropology Classroom and each WebMasters Academy's Anthropology Classroom. The number of each Language Classroom's Conference Backpack equals 8. The number of each WebMasters Academy's Anthropology Classroom equals 20. The number of each Anthropology Classroom's Drone Backpack equals 13. The number of each CyberScholars's Language Classroom equals 8 times as much as the difference of each WebMasters Academy's Anthropology Classroom and each Language Classroom's Drone Backpack. How many Conference Backpack does Fashion Design Studio have?

Define WorldWide Web University's Fashion Design Studio as BACK. Define Anthropology Classroom's Conference Backpack as BACK. Define WebMasters Academy's Anthropology Classroom as f; so f = 20. Define CyberScholars's Anthropology Classroom as BACK. Define WorldWide Web University's Classroom as BACK. Define WorldWide Web University's Anthropology Classroom as z; so z = 8 * f = 8 * 20 = 22. Define Fashion Design Studio's Work Rucksack as BACK. Define Fashion Design Studio's Conference Backpack as a; h = z - f = 22 - 20 = 2; so a = 19 * h = 19 * 2 = 15.

15

hard

The number of each Anole's Furcula equals 22. The number of each Turtle's Primary Feathers equals each Iguana's Coracoid. The number of each Iguana's Furcula equals 18. The number of each Masai Mara's Lizard Lounge equals 10. The number of each Masai Mara's Tortoise Garden equals 20. The number of each Iguana's Coracoid equals 5. The number of each Iguana's Radius equals 18. The number of each Anole's Radius equals 19 more than the sum of each Iguana's Coracoid, each Masai Mara's Lizard Lounge and each Reptile House's Iguana. The number of each Tsavo East National Park's Tortoise Garden equals each Reptile House's Iguana. The number of each Reptile House's Iguana equals 4. The number of each Tsavo East National Park's Reptile House equals each Etosha National Park's Bone. The number of each Reptile House's Turtle equals 5. The number of each Turtle's Coracoid equals 14 more than each Etosha National Park's Enclosure. The number of each Tortoise Garden's Anole equals each Etosha National Park's Animal. How many Furcula does Anole have?

Define Turtle's Coracoid as BACK. Define Reptile House's Animal as BACK. Define Anole's Furcula as J; so J = 22.

22

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The number of each Moose's Pons equals each Frontal Lobe's Tenocytes. The number of each Leopard's Amygdala equals 16 times as much as the sum of each Estuary's Creatures and each Estuary's Moose. The number of each Freshwater Lake's Leopard equals each Pons's Stromal Cells. The number of each Pons's Stromal Cells equals 21. The number of each Pons's Fibroblasts equals the sum of each Freshwater Lake's Moose, each Freshwater Lake's Lion, each Frontal Lobe's Tenocytes and each Moose's Pons. The number of each Freshwater Lake's Moose equals the difference of each Moose's Pons and each Pons's Stromal Cells. The number of each Estuary's Moose equals 4. The number of each Frontal Lobe's Tenocytes equals 8. The number of each Freshwater Lake's Lion equals 14. The number of each Moose's Frontal Lobe equals 14 times as much as the sum of each Amygdala's Cells and each Lion's Organs. How many Organs does Leopard have?

Define Estuary's Moose as L; so L = 4. Define Estuary's Creatures as Y; so Y = L = 4. Define Moose's Frontal Lobe as BACK. Define Leopard's Amygdala as I; O = Y + L = 4 + 4 = 8; so I = 16 * O = 16 * 8 = 13. Define Moose's Frontal Lobe as BACK. Define Leopard's Organs as U; so U = I = 13.

13

hard

The number of each Rhinoceros's Salivary Glands equals 17 more than the sum of each Jejunum's Mast Cells, each Rhinoceros's Jejunum and each Ueno Park in Tokyo's Panda. The number of each Jaguar's Jejunum equals 20. The number of each Salivary Glands's Mesenchymal Cells equals each Rhinoceros's Salivary Glands. The number of each Kings Park in Perth's Jaguar equals 0. The number of each Jaguar's Anus equals 15. The number of each Jejunum's Mast Cells equals 10 times as much as each Ueno Park in Tokyo's Panda. The number of each Kings Park in Perth's Rhinoceros equals each Salivary Glands's Mesenchymal Cells. The number of each Rhinoceros's Jejunum equals 7. The number of each Salivary Glands's Endothelial Cells of Blood Vessels equals 1. The number of each Anus's Mesenchymal Cells equals each Jejunum's Cells. The number of each Jejunum's Mesenchymal Cells equals 5. The number of each Ueno Park in Tokyo's Panda equals 22 more than each Rhinoceros's Jejunum. The number of each Ueno Park in Tokyo's Jaguar equals 20 more than the sum of each Salivary Glands's Cells, each Rhinoceros's Jejunum and each Ueno Park in Tokyo's Panda. How many Jaguar does Ueno Park in Tokyo have?

Define Rhinoceros's Cells as BACK. Define Rhinoceros's Jejunum as H; so H = 7. Define Jejunum's Mast Cells as BACK. Define Kings Park in Perth's Creatures as BACK. Define Ueno Park in Tokyo's Panda as h; so h = 22 + H = 22 + 7 = 6. Define Salivary Glands's Cells as BACK. Define Rhinoceros's Cells as BACK. Define Ueno Park in Tokyo's Organs as BACK. Define Jejunum's Cells as BACK. Define Anus's Mesenchymal Cells as BACK. Define Jejunum's Mast Cells as Y; so Y = 10 * h = 10 * 6 = 14. Define Rhinoceros's Salivary Glands as e; P = Y + H = 14 + 7 = 21; F = P + h = 21 + 6 = 4; so e = 17 + F = 17 + 4 = 21. Define Ueno Park in Tokyo's Jaguar as BACK. Define Kings Park in Perth's Creatures as BACK. Define Ueno Park in Tokyo's Creatures as BACK. Define Salivary Glands's Mesenchymal Cells as v; so v = e = 21. Define Salivary Glands's Endothelial Cells of Blood Vessels as z; so z = 1. Define Jaguar's Cells as BACK. Define Ueno Park in Tokyo's Jaguar as BACK. Define Salivary Glands's Cells as x; so x = z + v = 1 + 21 = 22. Define Ueno Park in Tokyo's Jaguar as M; k = x + H = 22 + 7 = 6; B = k + h = 6 + 6 = 12; so M = 20 + B = 20 + 12 = 9.

9

med

The number of each Small Mammal House's Swordfish equals 11. The number of each Elephant Habitat's Bass equals 15. The number of each Small Mammal House's Bass equals 14. The number of each Elephant Habitat's Swordfish equals 11. How many Animal does Elephant Habitat have?

Define Small Mammal House's Animal as BACK. Define Elephant Habitat's Bass as e; so e = 15. Define Elephant Habitat's Animal as BACK. Define Elephant Habitat's Swordfish as k; so k = 11. Define Elephant Habitat's Animal as J; so J = k + e = 11 + 15 = 3.

3

med

The number of each Camping Backpack's Craft Knife equals 5. The number of each Rucksack's Craft Knife equals the sum of each Geometry Room's Backpack, each Statistics Lab's Backpack and each Camping Backpack's Craft Knife. The number of each Camping Backpack's Drawing Board equals 15. The number of each Differential Equations Classroom's Rucksack equals the difference of each Duffle Backpack's Stationery and each Camping Backpack's Glitter. The number of each Duffle Backpack's Glitter equals each Statistics Lab's Backpack. The number of each Statistics Lab's Camping Backpack equals 1 times as much as each Camping Backpack's Glitter. The number of each Camping Backpack's Glitter equals 16. The number of each Differential Equations Classroom's Camping Backpack equals 4 more than each Camping Backpack's Drawing Board. The number of each Differential Equations Classroom's Duffle Backpack equals the sum of each Camping Backpack's Craft Knife and each Camping Backpack's Drawing Board. The number of each Geometry Room's Rucksack equals 19 times as much as each Camping Backpack's Glitter. The number of each Statistics Lab's Rucksack equals 20 more than each Camping Backpack's Glitter. How many Rucksack does Differential Equations Classroom have?

Define Geometry Room's Rucksack as BACK. Define Differential Equations Classroom's Backpack as BACK. Define Camping Backpack's Glitter as u; so u = 16. Define Differential Equations Classroom's Backpack as BACK. Define Geometry Room's Stationery as BACK. Define Statistics Lab's Backpack as BACK. Define Rucksack's Stationery as BACK. Define Duffle Backpack's Stationery as BACK. Define Statistics Lab's Camping Backpack as D; so D = 1 * u = 1 * 16 = 16. Define Statistics Lab's Backpack as BACK. Define Differential Equations Classroom's Camping Backpack as BACK. Define Geometry Room's Stationery as BACK. Define Rucksack's Craft Knife as BACK. Define Geometry Room's Backpack as BACK. Define Camping Backpack's Stationery as BACK. Define Statistics Lab's Rucksack as i; so i = 20 + u = 20 + 16 = 13. Define Duffle Backpack's Glitter as BACK. Define Statistics Lab's Backpack as B; so B = D + i = 16 + 13 = 6. Define Differential Equations Classroom's Backpack as BACK. Define Duffle Backpack's Glitter as x; so x = B = 6. Define Duffle Backpack's Stationery as E; so E = x = 6. Define Rucksack's Craft Knife as BACK. Define Geometry Room's Stationery as BACK. Define Statistics Lab's Stationery as BACK. Define Differential Equations Classroom's Rucksack as c; so c = E - u = 6 - 16 = 13.

13

hard

The number of each Cricket Chorus's Sardine equals each Tarantula Terrarium's Sardine. The number of each Cricket Chorus's Carp equals each Tarantula Terrarium's Animal. The number of each Stick Insect Forest's Sardine equals 4. The number of each Tarantula Terrarium's Mahi Mahi equals 18. The number of each Stick Insect Forest's Mahi Mahi equals 7 more than each Stick Insect Forest's Sardine. The number of each Tarantula Terrarium's Sardine equals 21 times as much as each Tarantula Terrarium's Mahi Mahi. How many Animal does Cricket Chorus have?

Define Cricket Chorus's Carp as BACK. Define Tarantula Terrarium's Animal as BACK. Define Stick Insect Forest's Animal as BACK. Define Tarantula Terrarium's Mahi Mahi as S; so S = 18. Define Cricket Chorus's Animal as BACK. Define Tarantula Terrarium's Sardine as B; so B = 21 * S = 21 * 18 = 10. Define Tarantula Terrarium's Animal as i; so i = B + S = 10 + 18 = 5. Define Stick Insect Forest's Mahi Mahi as BACK. Define Cricket Chorus's Carp as L; so L = i = 5. Define Cricket Chorus's Sardine as c; so c = B = 10. Define Stick Insect Forest's Mahi Mahi as BACK. Define Stick Insect Forest's Animal as BACK. Define Cricket Chorus's Animal as G; so G = c + L = 10 + 5 = 15.

15

med

The number of each Dolphin's Rotator Cuff equals 22 more than each Coastal Ecosystem's Great White Shark. The number of each Coastal Ecosystem's Seahorse equals 4 times as much as the difference of each Great White Shark's Humerus and each Coastal Ecosystem's Great White Shark. The number of each Great White Shark's Humerus equals 1 more than the difference of each Dolphin's Rotator Cuff and each Coastal Ecosystem's Great White Shark. The number of each Salt Marsh's Seahorse equals the difference of each Seahorse's Organs and each Coastal Ecosystem's Great White Shark. The number of each Dolphin's Ankle Joint equals 8. The number of each Mangrove Ecosystem's Dolphin equals 7 more than each Coastal Ecosystem's Seahorse. The number of each Coastal Ecosystem's Great White Shark equals 20. How many Dolphin does Mangrove Ecosystem have?

Define Coastal Ecosystem's Seahorse as BACK. Define Salt Marsh's Organs as BACK. Define Coastal Ecosystem's Great White Shark as n; so n = 20. Define Mangrove Ecosystem's Dolphin as BACK. Define Dolphin's Rotator Cuff as G; so G = 22 + n = 22 + 20 = 19. Define Great White Shark's Humerus as l; f = G - n = 19 - 20 = 22; so l = 1 + f = 1 + 22 = 0. Define Coastal Ecosystem's Seahorse as x; U = l - n = 0 - 20 = 3; so x = 4 * U = 4 * 3 = 12. Define Salt Marsh's Organs as BACK. Define Mangrove Ecosystem's Dolphin as Z; so Z = 7 + x = 7 + 12 = 19.

19

hard

The number of each Canary's Haemal Spines equals 0. The number of each Monte Casino Bird Park's Lion Exhibit equals 18 more than the sum of each Dove's Haemal Spines and each Lion Exhibit's Dove. The number of each Dove's Haemal Spines equals 2 times as much as the difference of each Lion Exhibit's Dove and each Canary's Haemal Spines. The number of each Monte Casino Bird Park's Cheetah Run equals the difference of each Lion Exhibit's Dove and each Birdland Park and Gardens's Animal. The number of each Lion Exhibit's Dove equals 8 more than each Canary's Haemal Spines. The number of each Birdland Park and Gardens's Cheetah Run equals 6. The number of each Canary's Prezygapophyses equals 15. The number of each Lion Exhibit's Canary equals 2 times as much as each Canary's Prezygapophyses. How many Lion Exhibit does Monte Casino Bird Park have?

Define Canary's Haemal Spines as t; so t = 0. Define Dove's Haemal Spines as BACK. Define Lion Exhibit's Dove as W; so W = 8 + t = 8 + 0 = 8. Define Dove's Haemal Spines as G; R = W - t = 8 - 0 = 8; so G = 2 * R = 2 * 8 = 16. Define Lion Exhibit's Canary as BACK. Define Canary's Bone as BACK. Define Monte Casino Bird Park's Lion Exhibit as y; B = G + W = 16 + 8 = 1; so y = 18 + B = 18 + 1 = 19.

19

hard

The number of each Smoothies's Thyme equals 13 more than each Beer's Garlic Powder. The number of each Smoothies's Garlic Powder equals 12. The number of each Beer's Garlic Powder equals 21. The number of each Smoothies's Saffron equals 14 times as much as the difference of each Smoothies's Thyme and each Beer's Garlic Powder. The number of each Rice Milk's Thyme equals 16. The number of each Rice Milk's Garlic Powder equals 17 more than the sum of each Smoothies's Saffron and each Beer's Garlic Powder. The number of each Beer's Thyme equals the sum of each Rice Milk's Saffron and each Beer's Garlic Powder. The number of each Rice Milk's Saffron equals 7 more than each Smoothies's Saffron. The number of each Beer's Saffron equals the difference of each Rice Milk's Saffron and each Beer's Garlic Powder. How many Saffron does Rice Milk have?

Define Beer's Thyme as BACK. Define Beer's Garlic Powder as Q; so Q = 21. Define Smoothies's Thyme as u; so u = 13 + Q = 13 + 21 = 11. Define Smoothies's Saffron as J; p = u - Q = 11 - 21 = 13; so J = 14 * p = 14 * 13 = 21. Define Beer's Thyme as BACK. Define Smoothies's Ingredient as BACK. Define Beer's Ingredient as BACK. Define Rice Milk's Saffron as y; so y = 7 + J = 7 + 21 = 5.

5

hard

The number of each Differential Equations Classroom's Rucksack equals each Differential Equations Classroom's Convertible Backpack. The number of each Pine Ridge Elementary's Control Systems Lab equals each Differential Equations Classroom's Backpack. The number of each Control Systems Lab's Convertible Backpack equals 7. The number of each Pleasant Hill Primary's Linear Algebra Room equals 8 more than each Pine Ridge Elementary's Differential Equations Classroom. The number of each Control Systems Lab's Top-Loading Backpack equals each Linear Algebra Room's Rucksack. The number of each Differential Equations Classroom's Convertible Backpack equals 10. The number of each Pine Ridge Elementary's Differential Equations Classroom equals the difference of each Differential Equations Classroom's Backpack and each Differential Equations Classroom's Top-Loading Backpack. The number of each Linear Algebra Room's Rucksack equals 14. The number of each Differential Equations Classroom's Top-Loading Backpack equals 18 more than the sum of each Differential Equations Classroom's Convertible Backpack and each Differential Equations Classroom's Rucksack. The number of each Linear Algebra Room's Top-Loading Backpack equals 11 times as much as the sum of each Linear Algebra Room's Rucksack and each Control Systems Lab's Top-Loading Backpack. The number of each Woodland Elementary's Differential Equations Classroom equals 6. The number of each Control Systems Lab's Rucksack equals each Differential Equations Classroom's Rucksack. How many Backpack does Differential Equations Classroom have?

Define Differential Equations Classroom's Convertible Backpack as J; so J = 10. Define Pine Ridge Elementary's Backpack as BACK. Define Differential Equations Classroom's Rucksack as K; so K = J = 10. Define Linear Algebra Room's Top-Loading Backpack as BACK. Define Pine Ridge Elementary's Differential Equations Classroom as BACK. Define Pleasant Hill Primary's Classroom as BACK. Define Differential Equations Classroom's Top-Loading Backpack as p; x = J + K = 10 + 10 = 20; so p = 18 + x = 18 + 20 = 15. Define Differential Equations Classroom's Backpack as o; N = p + J = 15 + 10 = 2; so o = N + K = 2 + 10 = 12.

12

hard

The number of each Retirement Community's Lidl equals 10 times as much as the sum of each Suburb's Safeway, each Suburb's Product and each Safeway's Product. The number of each Lidl's Gummy Candy equals 11. The number of each Suburb's Safeway equals 22. The number of each Safeway's Dried Fruit equals 22 times as much as each Suburb's Lidl. The number of each Suburb's Lidl equals 8. How many Lidl does Suburb have?

Define Safeway's Dried Fruit as BACK. Define Suburb's Lidl as z; so z = 8.

8

hard

The number of each Renaissance District's Shoppers Value Foods equals 10 more than each WinCo Foods's Parmesan Cheese. The number of each Shoppers Value Foods's Cottage Cheese equals each Grocery Outlet's Ricotta Cheese. The number of each Grocery Outlet's Ricotta Cheese equals 10. The number of each Historic Plantation's Grocery Outlet equals 10. The number of each WinCo Foods's Parmesan Cheese equals 3 more than the sum of each Historic Plantation's Grocery Outlet, each WinCo Foods's Cottage Cheese and each Grocery Outlet's Parmesan Cheese. The number of each Historic Plantation's Shoppers Value Foods equals 13 times as much as each Grocery Outlet's Ricotta Cheese. The number of each Historic Plantation's WinCo Foods equals 1. The number of each Preservation District's Grocery Outlet equals each Historic Plantation's WinCo Foods. The number of each Shoppers Value Foods's Parmesan Cheese equals 2 times as much as the sum of each Grocery Outlet's Ricotta Cheese, each Historic Plantation's Grocery Outlet and each WinCo Foods's Product. The number of each WinCo Foods's Cottage Cheese equals each Historic Plantation's Grocery Outlet. The number of each Renaissance District's Grocery Outlet equals the sum of each Grocery Outlet's Ricotta Cheese, each Historic Plantation's Shoppers Value Foods and each Grocery Outlet's Cottage Cheese. The number of each Grocery Outlet's Parmesan Cheese equals 15 times as much as each WinCo Foods's Cottage Cheese. The number of each Grocery Outlet's Cottage Cheese equals each Grocery Outlet's Ricotta Cheese. The number of each WinCo Foods's Ricotta Cheese equals each Grocery Outlet's Parmesan Cheese. How many Parmesan Cheese does Grocery Outlet have?

Define Shoppers Value Foods's Product as BACK. Define WinCo Foods's Product as BACK. Define Historic Plantation's Grocery Outlet as r; so r = 10. Define WinCo Foods's Cottage Cheese as h; so h = r = 10. Define Historic Plantation's Supermarket as BACK. Define Renaissance District's Grocery Outlet as BACK. Define Grocery Outlet's Parmesan Cheese as R; so R = 15 * h = 15 * 10 = 12.

12

med

The number of each Peacock's Deltoid equals 12. The number of each Crow's Elbow Joint equals each Peacock's Quadriceps. The number of each Peacock's Quadriceps equals 5. The number of each Crow's Deltoid equals 1 more than each Quadriceps's Purkinje Fibers. The number of each Quadriceps's Smooth Muscle Cells equals the sum of each Owl's Elbow Joint, each Quadriceps's Purkinje Fibers and each Elbow Joint's Diaphragm Muscle Cells. The number of each Quadriceps's Diaphragm Muscle Cells equals each Elbow Joint's Smooth Muscle Cells. The number of each Elbow Joint's Smooth Muscle Cells equals 10. The number of each Crow's Quadriceps equals 8. The number of each Quadriceps's Purkinje Fibers equals the sum of each Peacock's Elbow Joint, each Peacock's Quadriceps and each Owl's Elbow Joint. The number of each Owl's Elbow Joint equals 7 more than the sum of each Elbow Joint's Diaphragm Muscle Cells, each Peacock's Elbow Joint and each Peacock's Quadriceps. The number of each Deltoid's Purkinje Fibers equals 16. The number of each Peacock's Elbow Joint equals 4 times as much as each Elbow Joint's Diaphragm Muscle Cells. The number of each Owl's Deltoid equals the sum of each Elbow Joint's Diaphragm Muscle Cells, each Elbow Joint's Cells and each Quadriceps's Diaphragm Muscle Cells. The number of each Owl's Quadriceps equals 10 times as much as each Owl's Elbow Joint. The number of each Elbow Joint's Diaphragm Muscle Cells equals 3. The number of each Deltoid's Smooth Muscle Cells equals 22 times as much as the difference of each Quadriceps's Diaphragm Muscle Cells and each Elbow Joint's Smooth Muscle Cells. How many Smooth Muscle Cells does Deltoid have?

Define Elbow Joint's Smooth Muscle Cells as U; so U = 10. Define Quadriceps's Diaphragm Muscle Cells as y; so y = U = 10. Define Owl's Deltoid as BACK. Define Deltoid's Smooth Muscle Cells as w; g = y - U = 10 - 10 = 0; so w = 22 * g = 22 * 0 = 0.

0

med

The number of each Canned Broth's Cinnamon equals the sum of each Canned Meats's Cinnamon and each Postmates's Canned Meats. The number of each Postmates's Canned Meats equals 6. The number of each Postmates's Canned Broth equals each Canned Meats's Ingredient. The number of each Canned Broth's Onion Powder equals 14 times as much as each Canned Broth's Cinnamon. The number of each Jet's Canned Broth equals 4. The number of each Canned Meats's Cinnamon equals 10 more than each Postmates's Canned Meats. The number of each Canned Meats's Onion Powder equals 22. The number of each Jet's Canned Meats equals the sum of each Postmates's Product, each Canned Broth's Onion Powder and each Canned Broth's Cinnamon. How many Ingredient does Postmates have?

Define Canned Meats's Cinnamon as BACK. Define Postmates's Canned Meats as J; so J = 6. Define Canned Meats's Ingredient as BACK. Define Canned Meats's Cinnamon as Q; so Q = 10 + J = 10 + 6 = 16. Define Canned Meats's Onion Powder as a; so a = 22. Define Canned Meats's Ingredient as x; so x = a + Q = 22 + 16 = 15. Define Postmates's Product as BACK. Define Canned Broth's Cinnamon as o; so o = Q + J = 16 + 6 = 22. Define Postmates's Ingredient as BACK. Define Jet's Product as BACK. Define Postmates's Canned Broth as P; so P = x = 15. Define Canned Broth's Ingredient as BACK. Define Canned Broth's Onion Powder as f; so f = 14 * o = 14 * 22 = 9. Define Canned Broth's Ingredient as v; so v = f + o = 9 + 22 = 8. Define Jet's Product as BACK. Define Postmates's Ingredient as p; y = J * x = 6 * 15 = 21; q = P * v = 15 * 8 = 5; so p = y + q = 21 + 5 = 3.

3

hard

The number of each Scorpion Den's Pike equals 12. The number of each Caterpillar Nursery's Pike equals 1 more than each Scorpion Den's Haddock. The number of each Caterpillar Nursery's Haddock equals 13 more than the difference of each Scorpion Den's Haddock and each Caterpillar Nursery's Pike. The number of each Scorpion Den's Haddock equals 15. How many Haddock does Scorpion Den have?

Define Caterpillar Nursery's Haddock as BACK. Define Caterpillar Nursery's Animal as BACK. Define Scorpion Den's Haddock as s; so s = 15.

15

med

The number of each Seaside Community College's Photography Studio equals 21 times as much as each Photography Studio's Expandable Backpack. The number of each Photography Studio's Expandable Backpack equals 16. The number of each Digital Arts Studio's Designer Backpack equals 12. The number of each Midtown Community College's Language Classroom equals 8. The number of each Digital Arts Studio's Executive Backpack equals the sum of each Language Classroom's Backpack and each Midtown Community College's Classroom. The number of each Metropolis Community College's Digital Arts Studio equals the sum of each Seaside Community College's Photography Studio and each Midtown Community College's Classroom. The number of each Language Classroom's Designer Backpack equals 14 times as much as the sum of each Photography Studio's Expandable Backpack and each Seaside Community College's Photography Studio. How many Classroom does Midtown Community College have?

Define Midtown Community College's Language Classroom as N; so N = 8. Define Midtown Community College's Backpack as BACK. Define Seaside Community College's Classroom as BACK. Define Midtown Community College's Classroom as z; so z = N = 8.

8

hard

The number of each Edinburgh Zoo's Tropical Fish Tanks equals the sum of each Cincinnati Zoo's Tropical Fish Tanks, each Melbourne Zoo's Ray Pool and each Cincinnati Zoo's Shark Tank. The number of each Edinburgh Zoo's Shark Tank equals 21. The number of each Detroit Zoo's Shark Tank equals 7 more than each Melbourne Zoo's Ray Pool. The number of each Melbourne Zoo's Ray Pool equals 21 more than each Cincinnati Zoo's Shark Tank. The number of each Detroit Zoo's Tropical Fish Tanks equals the difference of each Detroit Zoo's Shark Tank and each Detroit Zoo's Ray Pool. The number of each Cincinnati Zoo's Shark Tank equals 5. The number of each Cincinnati Zoo's Seahorse Sanctuary equals 5. The number of each Detroit Zoo's Ray Pool equals 5 times as much as each Edinburgh Zoo's Tropical Fish Tanks. The number of each Detroit Zoo's Seahorse Sanctuary equals 11 times as much as each Melbourne Zoo's Ray Pool. The number of each Edinburgh Zoo's Ray Pool equals 1 more than the difference of each Cincinnati Zoo's Seahorse Sanctuary and each Edinburgh Zoo's Seahorse Sanctuary. The number of each Melbourne Zoo's Shark Tank equals each Detroit Zoo's Enclosure. The number of each Melbourne Zoo's Tropical Fish Tanks equals each Melbourne Zoo's Shark Tank. The number of each Cincinnati Zoo's Ray Pool equals each Cincinnati Zoo's Shark Tank. The number of each Edinburgh Zoo's Seahorse Sanctuary equals 6. The number of each Cincinnati Zoo's Tropical Fish Tanks equals each Melbourne Zoo's Ray Pool. The number of each Melbourne Zoo's Seahorse Sanctuary equals 19 times as much as each Melbourne Zoo's Ray Pool. How many Tropical Fish Tanks does Melbourne Zoo have?

Define Cincinnati Zoo's Shark Tank as l; so l = 5. Define Edinburgh Zoo's Tropical Fish Tanks as BACK. Define Melbourne Zoo's Ray Pool as h; so h = 21 + l = 21 + 5 = 3. Define Detroit Zoo's Enclosure as BACK. Define Cincinnati Zoo's Tropical Fish Tanks as p; so p = h = 3. Define Edinburgh Zoo's Tropical Fish Tanks as S; s = p + h = 3 + 3 = 6; so S = s + l = 6 + 5 = 11. Define Melbourne Zoo's Enclosure as BACK. Define Detroit Zoo's Seahorse Sanctuary as c; so c = 11 * h = 11 * 3 = 10. Define Detroit Zoo's Shark Tank as B; so B = 7 + h = 7 + 3 = 10. Define Melbourne Zoo's Enclosure as BACK. Define Detroit Zoo's Ray Pool as O; so O = 5 * S = 5 * 11 = 9. Define Detroit Zoo's Tropical Fish Tanks as v; so v = B - O = 10 - 9 = 1. Define Detroit Zoo's Enclosure as D; W = c + O = 10 + 9 = 19; x = W + v = 19 + 1 = 20; so D = x + B = 20 + 10 = 7. Define Edinburgh Zoo's Ray Pool as BACK. Define Melbourne Zoo's Shark Tank as b; so b = D = 7. Define Melbourne Zoo's Enclosure as BACK. Define Melbourne Zoo's Tropical Fish Tanks as T; so T = b = 7.

7

hard

The number of each Mountainview College's Control Systems Lab equals 0. The number of each Riverdale Community College's Civil Engineering Lab equals 4 times as much as the sum of each Mountainview College's Classroom, each Mountainview College's Control Systems Lab and each Mountainview College's Civil Engineering Lab. The number of each Mountainview College's Civil Engineering Lab equals 7 more than each Mountainview College's Control Systems Lab. The number of each Riverdale Community College's Control Systems Lab equals 7 times as much as the difference of each Mountainview College's Civil Engineering Lab and each Riverdale Community College's Civil Engineering Lab. How many Classroom does Riverdale Community College have?

Define Mountainview College's Control Systems Lab as L; so L = 0. Define Mountainview College's Classroom as BACK. Define Mountainview College's Civil Engineering Lab as W; so W = 7 + L = 7 + 0 = 7. Define Mountainview College's Classroom as N; so N = W + L = 7 + 0 = 7. Define Riverdale Community College's Civil Engineering Lab as h; m = N + L = 7 + 0 = 7; t = m + W = 7 + 7 = 14; so h = 4 * t = 4 * 14 = 10. Define Riverdale Community College's Control Systems Lab as i; E = W - h = 7 - 10 = 20; so i = 7 * E = 7 * 20 = 2. Define Riverdale Community College's Classroom as f; so f = h + i = 10 + 2 = 12.

12

med

The number of each Hamstrings's Fibroblasts equals each Shoulder Joint's Endothelial Cells of Blood Vessels. The number of each Vorticella's Cartilage equals 2 times as much as the sum of each Shoulder Joint's Fibroblasts, each Cartilage's Endothelial Cells of Blood Vessels and each Vorticella's Shoulder Joint. The number of each Vorticella's Hamstrings equals 18. The number of each Hamstrings's Melanocytes equals 14 more than each Hamstrings's Endothelial Cells of Blood Vessels. The number of each E coli's Shoulder Joint equals the sum of each Shoulder Joint's Endothelial Cells of Blood Vessels and each Shoulder Joint's Fibroblasts. The number of each Cartilage's Endothelial Cells of Blood Vessels equals the difference of each Mojave Desert's Organs and each E coli's Organs. The number of each Shoulder Joint's Endothelial Cells of Blood Vessels equals 15. The number of each Vorticella's Shoulder Joint equals 6. The number of each Sahara Desert's Radiolarian equals 22. The number of each Hamstrings's Endothelial Cells of Blood Vessels equals 11 times as much as each Vorticella's Shoulder Joint. The number of each Radiolarian's Shoulder Joint equals 10 times as much as each Shoulder Joint's Endothelial Cells of Blood Vessels. The number of each Sahara Desert's E coli equals 19 times as much as the difference of each Mojave Desert's Creatures and each Mojave Desert's Cells. The number of each Sahara Desert's Vorticella equals the sum of each Shoulder Joint's Fibroblasts, each Vorticella's Shoulder Joint, each Mojave Desert's Cells and each Radiolarian's Cells. The number of each Namib Desert's E coli equals the difference of each Sahara Desert's Organs and each Vorticella's Shoulder Joint. The number of each Shoulder Joint's Melanocytes equals 19 more than the difference of each Shoulder Joint's Fibroblasts and each Shoulder Joint's Endothelial Cells of Blood Vessels. The number of each Shoulder Joint's Fibroblasts equals 10 times as much as the difference of each Shoulder Joint's Endothelial Cells of Blood Vessels and each Radiolarian's Shoulder Joint. The number of each E coli's Hamstrings equals 19 times as much as the sum of each Radiolarian's Cells, each Shoulder Joint's Melanocytes and each E coli's Shoulder Joint. How many Organs does E coli have?

Define E coli's Hamstrings as BACK. Define E coli's Shoulder Joint as BACK. Define Shoulder Joint's Endothelial Cells of Blood Vessels as c; so c = 15. Define E coli's Hamstrings as BACK. Define Radiolarian's Shoulder Joint as s; so s = 10 * c = 10 * 15 = 12. Define Shoulder Joint's Fibroblasts as K; D = c - s = 15 - 12 = 3; so K = 10 * D = 10 * 3 = 7. Define Namib Desert's Cells as BACK. Define Shoulder Joint's Cells as BACK. Define Shoulder Joint's Melanocytes as l; p = K - c = 7 - 15 = 15; so l = 19 + p = 19 + 15 = 11. Define Cartilage's Cells as BACK. Define Shoulder Joint's Cells as M; b = l + c = 11 + 15 = 3; so M = b + K = 3 + 7 = 10. Define E coli's Cells as BACK. Define Hamstrings's Endothelial Cells of Blood Vessels as BACK. Define Hamstrings's Cells as BACK. Define Cartilage's Endothelial Cells of Blood Vessels as BACK. Define Radiolarian's Cells as X; so X = s * M = 12 * 10 = 5. Define E coli's Shoulder Joint as x; so x = c + K = 15 + 7 = 22. Define E coli's Hamstrings as e; t = X + l = 5 + 11 = 16; R = t + x = 16 + 22 = 15; so e = 19 * R = 19 * 15 = 9. Define E coli's Organs as v; so v = x + e = 22 + 9 = 8.

8

hard

The number of each Montreal Insectarium's Spider Web Exhibit equals 4 times as much as each Montreal Insectarium's Beetle Bungalow. The number of each Beetle Bungalow's Finch equals 16. The number of each Spider Web Exhibit's Hummingbird equals 21 times as much as each Spider Web Exhibit's Finch. The number of each Beetle Bungalow's Hummingbird equals 5 more than the sum of each Spider Web Exhibit's Hummingbird, each Spider Web Exhibit's Animal and each Montreal Insectarium's Enclosure. The number of each Spider Web Exhibit's Finch equals 2. The number of each Insectarium de Montréal's Spider Web Exhibit equals each Montreal Insectarium's Enclosure. The number of each Montreal Insectarium's Beetle Bungalow equals 11 more than the difference of each Spider Web Exhibit's Hummingbird and each Spider Web Exhibit's Finch. The number of each Insectarium de Montréal's Beetle Bungalow equals 15. How many Spider Web Exhibit does Insectarium de Montréal have?

Define Insectarium de Montréal's Enclosure as BACK. Define Spider Web Exhibit's Finch as e; so e = 2. Define Insectarium de Montréal's Spider Web Exhibit as BACK. Define Insectarium de Montréal's Enclosure as BACK. Define Montreal Insectarium's Spider Web Exhibit as BACK. Define Spider Web Exhibit's Hummingbird as A; so A = 21 * e = 21 * 2 = 19. Define Montreal Insectarium's Spider Web Exhibit as BACK. Define Insectarium de Montréal's Animal as BACK. Define Montreal Insectarium's Beetle Bungalow as a; V = A - e = 19 - 2 = 17; so a = 11 + V = 11 + 17 = 5. Define Beetle Bungalow's Hummingbird as BACK. Define Montreal Insectarium's Spider Web Exhibit as H; so H = 4 * a = 4 * 5 = 20. Define Montreal Insectarium's Enclosure as j; so j = H + a = 20 + 5 = 2. Define Insectarium de Montréal's Enclosure as BACK. Define Montreal Insectarium's Animal as BACK. Define Insectarium de Montréal's Spider Web Exhibit as O; so O = j = 2.

2

med

The number of each The Deep's Kelp Forest Tank equals the sum of each National Aquarium's Kelp Forest Tank, each Saltwater Fish Exhibit's Eel, each Freshwater Fish Exhibit's Haddock and each Eel's Distal Phalanx. The number of each Saltwater Fish Exhibit's Haddock equals the sum of each National Aquarium's Kelp Forest Tank, each Flounder's Bone and each Seahorse Sanctuary's Animal. The number of each Haddock's Metacarpal V equals the sum of each Herring's Bone, each Adventure Aquarium's Enclosure and each Seahorse Sanctuary's Animal. The number of each Haddock's Metacarpal II equals each Adventure Aquarium's Bone. The number of each Flounder's Metacarpal V equals 7 times as much as each Seahorse Sanctuary's Flounder. The number of each Freshwater Fish Exhibit's Haddock equals 7 times as much as each National Aquarium's Kelp Forest Tank. The number of each Adventure Aquarium's Seahorse Sanctuary equals 20 times as much as each Flounder's Intermediate Carpal. The number of each Saltwater Fish Exhibit's Eel equals 11 more than the difference of each National Aquarium's Kelp Forest Tank and each Freshwater Fish Exhibit's Haddock. The number of each Seattle Aquarium's Freshwater Fish Exhibit equals 1 times as much as each Adventure Aquarium's Bone. The number of each Saltwater Fish Exhibit's Herring equals 18. The number of each Seahorse Sanctuary's Flounder equals each Herring's Bone. The number of each Seahorse Sanctuary's Herring equals 22 times as much as each Seahorse Sanctuary's Flounder. The number of each National Aquarium's Kelp Forest Tank equals 9. The number of each National Aquarium's Saltwater Fish Exhibit equals the sum of each Seattle Aquarium's Enclosure, each Herring's Bone and each Flounder's Bone. The number of each Flounder's Intermediate Carpal equals each Seahorse Sanctuary's Flounder. The number of each Eel's Distal Phalanx equals the sum of each Freshwater Fish Exhibit's Haddock and each Saltwater Fish Exhibit's Eel. How many Enclosure does Seattle Aquarium have?

Define Adventure Aquarium's Bone as BACK. Define The Deep's Bone as BACK. Define Herring's Bone as g; so g = 0. Define Seahorse Sanctuary's Flounder as v; so v = g = 0. Define Seahorse Sanctuary's Herring as P; so P = 22 * v = 22 * 0 = 0. Define Adventure Aquarium's Bone as BACK. Define Flounder's Metacarpal V as f; so f = 7 * v = 7 * 0 = 0. Define Freshwater Fish Exhibit's Bone as BACK. Define Flounder's Intermediate Carpal as n; so n = v = 0. Define The Deep's Kelp Forest Tank as BACK. Define Adventure Aquarium's Seahorse Sanctuary as V; so V = 20 * n = 20 * 0 = 0. Define Flounder's Bone as U; so U = n + f = 0 + 0 = 0. Define Saltwater Fish Exhibit's Animal as BACK. Define Eel's Distal Phalanx as BACK. Define Seahorse Sanctuary's Bone as E; w = P * g = 0 * 0 = 0; M = v * U = 0 * 0 = 0; so E = w + M = 0 + 0 = 0. Define National Aquarium's Bone as BACK. Define Saltwater Fish Exhibit's Haddock as BACK. Define National Aquarium's Saltwater Fish Exhibit as BACK. Define Adventure Aquarium's Animal as BACK. Define Adventure Aquarium's Bone as R; so R = V * E = 0 * 0 = 0. Define Seattle Aquarium's Animal as BACK. Define The Deep's Enclosure as BACK. Define Saltwater Fish Exhibit's Animal as BACK. Define Seattle Aquarium's Freshwater Fish Exhibit as Q; so Q = 1 * R = 1 * 0 = 0. Define Seattle Aquarium's Enclosure as b; so b = Q = 0.

0

med

The number of each Falcon's Caudal Vertebrae 6 equals the difference of each Butterfly Garden's Canary and each Mantis Habitat's Seagull. The number of each Butterfly Garden's Canary equals 19 more than the difference of each Baltimore Aquarium's Cricket Chorus and each Mantis Habitat's Seagull. The number of each Cricket Chorus's Falcon equals 3 times as much as each Baltimore Aquarium's Enclosure. The number of each Seagull's Caudal Vertebrae 6 equals 9. The number of each Seagull's Caudal Vertebrae 10 equals the sum of each Cricket Chorus's Falcon, each Baltimore Aquarium's Enclosure, each Baltimore Aquarium's Mantis Habitat and each SeaWorld Orlando's Cricket Chorus. The number of each SeaWorld Orlando's Cricket Chorus equals 11. The number of each Shedd Aquarium's Mantis Habitat equals 14. The number of each Cricket Chorus's Seagull equals 13 more than each Cricket Chorus's Falcon. The number of each Baltimore Aquarium's Mantis Habitat equals the sum of each SeaWorld Orlando's Enclosure, each SeaWorld Orlando's Cricket Chorus and each Baltimore Aquarium's Cricket Chorus. The number of each Butterfly Garden's Seagull equals the sum of each Baltimore Aquarium's Mantis Habitat, each SeaWorld Orlando's Cricket Chorus, each Baltimore Aquarium's Cricket Chorus and each SeaWorld Orlando's Enclosure. The number of each Cricket Chorus's Canary equals 8 more than each Canary's Caudal Vertebrae 8. The number of each Canary's Caudal Vertebrae 8 equals 15 times as much as the sum of each SeaWorld Orlando's Enclosure and each SeaWorld Orlando's Cricket Chorus. The number of each Shedd Aquarium's Butterfly Garden equals the sum of each Baltimore Aquarium's Mantis Habitat and each Cricket Chorus's Falcon. The number of each Baltimore Aquarium's Cricket Chorus equals 11. The number of each Mantis Habitat's Seagull equals 19. How many Enclosure does SeaWorld Orlando have?

Define SeaWorld Orlando's Cricket Chorus as D; so D = 11. Define Baltimore Aquarium's Bone as BACK. Define Seagull's Bone as BACK. Define SeaWorld Orlando's Enclosure as X; so X = D = 11.

11

hard

The number of each Cecum's Skeletal Muscle Cells equals 8. The number of each Duodenum's Uterine Muscle Cells equals the difference of each Cecum's Myoepithelial Cells and each Patagonian Desert's Amoeba. The number of each Amoeba's Cecum equals each Patagonian Desert's Paramecium. The number of each Jejunum's Myoepithelial Cells equals each Cecum's Myoepithelial Cells. The number of each Jejunum's Uterine Muscle Cells equals each Amoeba's Cecum. The number of each Paramecium's Jejunum equals 8 times as much as each Duodenum's Myoepithelial Cells. The number of each Patagonian Desert's Amoeba equals 18. The number of each Patagonian Desert's Paramecium equals each Duodenum's Myoepithelial Cells. The number of each Karakum Desert's Trichomonas equals the sum of each Cecum's Skeletal Muscle Cells, each Turkestan Desert's Cells, each Paramecium's Organs and each Duodenum's Uterine Muscle Cells. The number of each Trichomonas's Duodenum equals 10. The number of each Patagonian Desert's Trichomonas equals the sum of each Cecum's Myoepithelial Cells, each Trichomonas's Duodenum, each Duodenum's Uterine Muscle Cells and each Jejunum's Myoepithelial Cells. The number of each Cecum's Myoepithelial Cells equals 13 times as much as each Patagonian Desert's Amoeba. The number of each Duodenum's Myoepithelial Cells equals 22. How many Jejunum does Paramecium have?

Define Jejunum's Myoepithelial Cells as BACK. Define Duodenum's Myoepithelial Cells as f; so f = 22. Define Paramecium's Jejunum as W; so W = 8 * f = 8 * 22 = 15.

15

med

The number of each Top-Loading Backpack's Sticky Tape equals 5. The number of each Rucksack's Sticky Tape equals 0. The number of each Rucksack's Label Maker equals each Top-Loading Backpack's Label Maker. The number of each Top-Loading Backpack's Label Maker equals 21 times as much as each Top-Loading Backpack's Sticky Tape. How many Stationery does Rucksack have?

Define Top-Loading Backpack's Stationery as BACK. Define Top-Loading Backpack's Sticky Tape as b; so b = 5. Define Top-Loading Backpack's Label Maker as m; so m = 21 * b = 21 * 5 = 13. Define Rucksack's Stationery as BACK. Define Rucksack's Label Maker as t; so t = m = 13. Define Rucksack's Sticky Tape as c; so c = 0. Define Rucksack's Stationery as I; so I = c + t = 0 + 13 = 13.

13

med

The number of each Desert Fringe Grassland's Blue Whale equals the difference of each Alpine Grassland's Sea Anemone and each Highland Grassland's Blue Whale. The number of each Highland Grassland's Stingray equals 22. The number of each Northern Grassland's Seahorse equals 6 times as much as each Northern Grassland's Stingray. The number of each Alpine Grassland's Blue Whale equals each Desert Fringe Grassland's Seahorse. The number of each Highland Grassland's Blue Whale equals each Highland Grassland's Sea Anemone. The number of each Desert Fringe Grassland's Sea Anemone equals 22. The number of each Desert Fringe Grassland's Stingray equals each Highland Grassland's Seahorse. The number of each Desert Fringe Grassland's Seahorse equals 10 more than each Alpine Grassland's Seahorse. The number of each Alpine Grassland's Seahorse equals 21 times as much as each Highland Grassland's Blue Whale. The number of each Alpine Grassland's Sea Anemone equals 17 times as much as each Northern Grassland's Sea Anemone. The number of each Northern Grassland's Stingray equals 22. The number of each Northern Grassland's Sea Anemone equals each Alpine Grassland's Blue Whale. The number of each Highland Grassland's Seahorse equals 13. The number of each Highland Grassland's Sea Anemone equals each Desert Fringe Grassland's Stingray. The number of each Northern Grassland's Blue Whale equals 12. How many Sea Anemone does Alpine Grassland have?

Define Highland Grassland's Seahorse as A; so A = 13. Define Desert Fringe Grassland's Seahorse as BACK. Define Desert Fringe Grassland's Stingray as z; so z = A = 13. Define Highland Grassland's Sea Anemone as W; so W = z = 13. Define Highland Grassland's Blue Whale as s; so s = W = 13. Define Alpine Grassland's Sea Anemone as BACK. Define Alpine Grassland's Seahorse as N; so N = 21 * s = 21 * 13 = 20. Define Desert Fringe Grassland's Seahorse as S; so S = 10 + N = 10 + 20 = 7. Define Alpine Grassland's Blue Whale as U; so U = S = 7. Define Northern Grassland's Sea Anemone as O; so O = U = 7. Define Northern Grassland's Creatures as BACK. Define Desert Fringe Grassland's Creatures as BACK. Define Alpine Grassland's Sea Anemone as P; so P = 17 * O = 17 * 7 = 4.

4

hard

The number of each Bronchi's Macrophages equals 0. The number of each Bronchi's Platelets equals 3 times as much as each Colorado Plateau Desert's Clownfish. The number of each Colorado Plateau Desert's Stingray equals 7. The number of each Pleural Cavity's Dendritic Cells equals each Stingray's Pleural Cavity. The number of each Colorado Plateau Desert's Clownfish equals 22. The number of each Clownfish's Oropharynx equals 5 times as much as each Sea Anemone's Organs. The number of each Gobi Desert's Sea Anemone equals 8 more than each Sea Anemone's Cells. The number of each Stingray's Bronchi equals 8. The number of each Stingray's Pleural Cavity equals each Gobi Desert's Cells. How many Cells does Pleural Cavity have?

Define Pleural Cavity's Dendritic Cells as BACK. Define Sea Anemone's Cells as W; so W = 0. Define Clownfish's Organs as BACK. Define Gobi Desert's Sea Anemone as I; so I = 8 + W = 8 + 0 = 8. Define Gobi Desert's Cells as g; so g = I * W = 8 * 0 = 0. Define Stingray's Pleural Cavity as v; so v = g = 0. Define Pleural Cavity's Dendritic Cells as X; so X = v = 0. Define Pleural Cavity's Cells as O; so O = X = 0.

0

med

The number of each Fashion School Backpack's Rubber Band equals 21. The number of each Anatomy Lab's Fashion School Backpack equals the sum of each Astronomy Lab's Canvas Backpack, each Laptop Backpack's Paper Clip, each Canvas Backpack's Rubber Band and each Fashion School Backpack's Rubber Band. The number of each Laptop Backpack's Rubber Band equals each Canvas Backpack's Envelope. The number of each Botany Lab's Laptop Backpack equals 12. The number of each Canvas Backpack's Envelope equals each Botany Lab's Laptop Backpack. The number of each Fashion School Backpack's Paper Clip equals 5 times as much as each Canvas Backpack's Envelope. The number of each Laptop Backpack's Paper Clip equals 8 more than each Fashion School Backpack's Rubber Band. The number of each Botany Lab's Fashion School Backpack equals 13. The number of each Canvas Backpack's Rubber Band equals 13 times as much as the difference of each Fashion School Backpack's Rubber Band and each Laptop Backpack's Paper Clip. The number of each Anatomy Lab's Laptop Backpack equals 15 times as much as each Fashion School Backpack's Rubber Band. The number of each Astronomy Lab's Canvas Backpack equals each Canvas Backpack's Rubber Band. The number of each Canvas Backpack's Paper Clip equals 22 times as much as the difference of each Fashion School Backpack's Rubber Band and each Botany Lab's Canvas Backpack. The number of each Botany Lab's Canvas Backpack equals each Fashion School Backpack's Rubber Band. The number of each Fashion School Backpack's Envelope equals each Fashion School Backpack's Rubber Band. The number of each Astronomy Lab's Laptop Backpack equals 12 more than each Anatomy Lab's Laptop Backpack. The number of each Laptop Backpack's Envelope equals the difference of each Fashion School Backpack's Paper Clip and each Canvas Backpack's Envelope. How many Envelope does Laptop Backpack have?

Define Botany Lab's Stationery as BACK. Define Fashion School Backpack's Paper Clip as BACK. Define Laptop Backpack's Stationery as BACK. Define Canvas Backpack's Stationery as BACK. Define Laptop Backpack's Paper Clip as BACK. Define Botany Lab's Laptop Backpack as n; so n = 12. Define Anatomy Lab's Backpack as BACK. Define Canvas Backpack's Paper Clip as BACK. Define Anatomy Lab's Fashion School Backpack as BACK. Define Canvas Backpack's Envelope as e; so e = n = 12. Define Anatomy Lab's Backpack as BACK. Define Laptop Backpack's Stationery as BACK. Define Anatomy Lab's Fashion School Backpack as BACK. Define Fashion School Backpack's Paper Clip as l; so l = 5 * e = 5 * 12 = 14. Define Laptop Backpack's Envelope as d; so d = l - e = 14 - 12 = 2.

2

med

The number of each Bagels's Chicken Wing equals 13. The number of each Price Rite's Bagels equals 22 more than each University District's Supermarket. The number of each Grocery Outlet's Cakes equals the sum of each Bagels's Chicken Wing and each Residential College District's Price Rite. The number of each Bagels's Pepperoni equals 19. The number of each Residential College District's Price Rite equals each Bagels's Chicken Wing. The number of each Residential College District's Grocery Outlet equals 22 more than each Cakes's Ingredient. The number of each Cakes's Bacon equals 20. How many Grocery Outlet does Residential College District have?

Define Cakes's Bacon as K; so K = 20. Define Cakes's Ingredient as X; so X = K = 20. Define Price Rite's Bagels as BACK. Define Grocery Outlet's Ingredient as BACK. Define Residential College District's Price Rite as BACK. Define Price Rite's Ingredient as BACK. Define Residential College District's Grocery Outlet as U; so U = 22 + X = 22 + 20 = 19.

19

hard

The number of each Parietal Lobe's Tendon Cells equals 20 more than each Colorado Plateau Desert's Hummingbird. The number of each Parietal Lobe's Chondrocytes equals 0. The number of each Parietal Lobe's Osteocytes equals the difference of each Colorado Plateau Desert's Parrot and each Hawk's Parietal Lobe. The number of each Hawk's Parietal Lobe equals 4. The number of each Cerebellum's Chondrocytes equals each Karakum Desert's Creatures. The number of each Colorado Plateau Desert's Parrot equals each Hawk's Parietal Lobe. The number of each Namib Desert's Hawk equals the sum of each Parrot's Organs and each Cerebellum's Chondrocytes. The number of each Hawk's Cerebellum equals 13. The number of each Medulla Oblongata's Tendon Cells equals the sum of each Hawk's Parietal Lobe, each Parietal Lobe's Osteocytes, each Hummingbird's Medulla Oblongata and each Colorado Plateau Desert's Parrot. The number of each Parietal Lobe's Mast Cells equals 16. The number of each Hawk's Hypothalamus equals 19 times as much as each Karakum Desert's Parrot. The number of each Sonoran Desert's Stork equals each Colorado Plateau Desert's Hummingbird. The number of each Hypothalamus's Tendon Cells equals 12 more than the difference of each Karakum Desert's Parrot and each Parietal Lobe's Mast Cells. The number of each Parrot's Cerebellum equals 19. The number of each Hummingbird's Medulla Oblongata equals each Hawk's Parietal Lobe. The number of each Karakum Desert's Stork equals each Sonoran Desert's Creatures. The number of each Karakum Desert's Parrot equals the sum of each Sonoran Desert's Creatures and each Sonoran Desert's Stork. The number of each Colorado Plateau Desert's Hummingbird equals each Parrot's Cerebellum. How many Chondrocytes does Cerebellum have?

Define Sonoran Desert's Cells as BACK. Define Sonoran Desert's Stork as BACK. Define Hummingbird's Organs as BACK. Define Karakum Desert's Organs as BACK. Define Parrot's Cells as BACK. Define Colorado Plateau Desert's Organs as BACK. Define Medulla Oblongata's Tendon Cells as BACK. Define Parietal Lobe's Osteocytes as BACK. Define Karakum Desert's Stork as BACK. Define Hawk's Hypothalamus as BACK. Define Hawk's Cells as BACK. Define Parrot's Cerebellum as L; so L = 19. Define Namib Desert's Organs as BACK. Define Colorado Plateau Desert's Hummingbird as m; so m = L = 19. Define Colorado Plateau Desert's Parrot as BACK. Define Medulla Oblongata's Cells as BACK. Define Medulla Oblongata's Tendon Cells as BACK. Define Sonoran Desert's Stork as N; so N = m = 19. Define Hummingbird's Medulla Oblongata as BACK. Define Sonoran Desert's Creatures as l; so l = N = 19. Define Karakum Desert's Stork as c; so c = l = 19. Define Karakum Desert's Parrot as a; so a = l + N = 19 + 19 = 15. Define Namib Desert's Organs as BACK. Define Karakum Desert's Creatures as D; so D = c + a = 19 + 15 = 11. Define Parietal Lobe's Cells as BACK. Define Hummingbird's Organs as BACK. Define Karakum Desert's Organs as BACK. Define Cerebellum's Chondrocytes as r; so r = D = 11.

11

hard

The number of each Eagle Eyrie's Hippopotamus equals 1. The number of each Cheetah's Carpometacarpus equals the sum of each Owl Forest's Bone, each Vulture Valley's Animal and each Owl Forest's Leopard. The number of each Vulture Valley's Leopard equals 22 more than each Leopard's Middle Phalanges. The number of each Owl Forest's Leopard equals the sum of each Vulture Valley's Bone and each Leopard's Middle Phalanges. The number of each Eagle Eyrie's Raccoon equals each Hippopotamus's Carpometacarpus. The number of each Leopard's Middle Phalanges equals 7. The number of each Cheetah's Proximal Phalanges equals the sum of each Eagle Eyrie's Hippopotamus, each Owl Forest's Leopard, each Vulture Valley's Leopard and each Vulture Valley's Animal. The number of each Hippopotamus's Carpometacarpus equals 6 more than each Leopard's Middle Phalanges. The number of each Raccoon's Proximal Phalanges equals 18 times as much as each Vulture Valley's Leopard. The number of each Eagle Eyrie's Cheetah equals 14. How many Cheetah does Eagle Eyrie have?

Define Eagle Eyrie's Cheetah as g; so g = 14.

14

med

The number of each Bigbasket's Buns equals 6 more than each Jet's Croissants. The number of each Beach Homes's Jet equals each Beach Homes's HelloFresh. The number of each Beach Homes's HelloFresh equals 18. The number of each Jet's Croissants equals 8. The number of each Jet's Rolls equals 20 times as much as the difference of each Jet's Croissants and each Bigbasket's Buns. The number of each Rural Homes's Bigbasket equals 19 times as much as the difference of each Beach Homes's Supermarket and each HelloFresh's Product. How many Supermarket does Beach Homes have?

Define Beach Homes's HelloFresh as t; so t = 18. Define Jet's Rolls as BACK. Define Rural Homes's Product as BACK. Define Beach Homes's Jet as K; so K = t = 18. Define Beach Homes's Supermarket as A; so A = K + t = 18 + 18 = 13.

13

hard

The number of each Dean's Natural Food Market's Canned Olives equals 3 times as much as each New Seasons Market's Canned Soups. The number of each Dean's Natural Food Market's Canned Soups equals 6 times as much as the sum of each Dean's Natural Food Market's Canned Pineapple and each New Seasons Market's Canned Soups. The number of each Nature's Food Patch's Canned Olives equals 21 times as much as the sum of each Nature's Food Patch's Canned Soups and each New Seasons Market's Canned Soups. The number of each New Seasons Market's Canned Soups equals 18 times as much as the sum of each Nature's Food Patch's Canned Soups and each New Seasons Market's Canned Olives. The number of each Nature's Food Patch's Canned Pineapple equals 5 more than the difference of each Nature's Food Patch's Canned Soups and each New Seasons Market's Canned Soups. The number of each Nature's Food Patch's Canned Soups equals each New Seasons Market's Canned Olives. The number of each New Seasons Market's Canned Olives equals 2. The number of each New Seasons Market's Canned Pineapple equals 18. The number of each Dean's Natural Food Market's Canned Pineapple equals 10 times as much as the sum of each Dean's Natural Food Market's Canned Olives, each New Seasons Market's Canned Olives and each Nature's Food Patch's Canned Soups. How many Product does Dean's Natural Food Market have?

Define New Seasons Market's Canned Olives as z; so z = 2. Define Nature's Food Patch's Canned Soups as e; so e = z = 2. Define New Seasons Market's Product as BACK. Define New Seasons Market's Canned Soups as Z; J = e + z = 2 + 2 = 4; so Z = 18 * J = 18 * 4 = 3. Define Dean's Natural Food Market's Canned Soups as BACK. Define Nature's Food Patch's Product as BACK. Define New Seasons Market's Product as BACK. Define Dean's Natural Food Market's Canned Pineapple as BACK. Define Dean's Natural Food Market's Product as BACK. Define Dean's Natural Food Market's Canned Olives as l; so l = 3 * Z = 3 * 3 = 9. Define Dean's Natural Food Market's Canned Pineapple as n; X = l + z = 9 + 2 = 11; x = X + e = 11 + 2 = 13; so n = 10 * x = 10 * 13 = 15. Define Dean's Natural Food Market's Canned Soups as B; F = n + Z = 15 + 3 = 18; so B = 6 * F = 6 * 18 = 16. Define New Seasons Market's Product as BACK. Define Nature's Food Patch's Product as BACK. Define Dean's Natural Food Market's Product as d; K = B + l = 16 + 9 = 2; so d = K + n = 2 + 15 = 17.

17

hard

The number of each Sprouts Farmers Market's Tortilla Chips equals 20. The number of each PCC Community Markets's Popcorn equals 2. The number of each Castle District's Sprouts Farmers Market equals 5 times as much as each Monument Zone's PCC Community Markets. The number of each Monument Zone's PCC Community Markets equals 10. The number of each Colonial District's Sprouts Farmers Market equals each Sprouts Farmers Market's Tortilla Chips. The number of each Colonial District's Fresh Thyme Market equals 6 times as much as each Fresh Thyme Market's Popcorn. The number of each Fresh Thyme Market's Trail Mix equals 19 times as much as each Colonial District's Sprouts Farmers Market. The number of each PCC Community Markets's Trail Mix equals 10 times as much as the difference of each Castle District's Product and each Castle District's Sprouts Farmers Market. The number of each Fresh Thyme Market's Tortilla Chips equals the sum of each PCC Community Markets's Popcorn and each Colonial District's Sprouts Farmers Market. The number of each Fresh Thyme Market's Popcorn equals each PCC Community Markets's Popcorn. The number of each Monument Zone's Fresh Thyme Market equals 17 more than each Fresh Thyme Market's Tortilla Chips. How many PCC Community Markets does Monument Zone have?

Define Fresh Thyme Market's Product as BACK. Define Monument Zone's Product as BACK. Define Sprouts Farmers Market's Product as BACK. Define Colonial District's Fresh Thyme Market as BACK. Define Monument Zone's PCC Community Markets as j; so j = 10.

10

med

The number of each International Relations Classroom's Carry-On Backpack equals 3 times as much as the difference of each Packable Travel Backpack's Name Badge and each Psychology Lab's Packable Travel Backpack. The number of each Trekking Backpack's Card Holder equals 22. The number of each Psychology Lab's Packable Travel Backpack equals each Packable Travel Backpack's Name Badge. The number of each International Relations Classroom's Trekking Backpack equals 4. The number of each Carry-On Backpack's Name Badge equals 2. The number of each Psychology Lab's Trekking Backpack equals the sum of each International Relations Classroom's Carry-On Backpack, each International Relations Classroom's Packable Travel Backpack, each Packable Travel Backpack's Name Badge and each Carry-On Backpack's Card Holder. The number of each International Relations Classroom's Packable Travel Backpack equals 1 more than the difference of each International Relations Classroom's Carry-On Backpack and each Carry-On Backpack's Card Holder. The number of each Trekking Backpack's Name Badge equals 2. The number of each Carry-On Backpack's Card Holder equals 17 more than each International Relations Classroom's Trekking Backpack. The number of each Packable Travel Backpack's Name Badge equals 5. The number of each Packable Travel Backpack's Card Holder equals each Trekking Backpack's Card Holder. How many Card Holder does Packable Travel Backpack have?

Define Trekking Backpack's Card Holder as d; so d = 22. Define Carry-On Backpack's Card Holder as BACK. Define Packable Travel Backpack's Card Holder as n; so n = d = 22.

22

med

The number of each Swan's Liver equals each Hummingbird's Liver. The number of each Swan's Rectum equals each Swan's Liver. The number of each Hummingbird's Rectum equals 15. The number of each Hummingbird's Liver equals 16. How many Liver does Hummingbird have?

Define Hummingbird's Liver as h; so h = 16.

16

hard

The number of each Hippocampus's Hippocampal Neurons equals 14. The number of each Autonomic Nerves's Bipolar Cells equals 21 times as much as the difference of each Hippocampus's Cells and each Hippocampus's Hippocampal Neurons. The number of each Amygdala's Photoreceptor Cells equals 18 more than each Autonomic Nerves's Cells. How many Cells does Amygdala have?

Define Autonomic Nerves's Bipolar Cells as BACK. Define Autonomic Nerves's Cells as BACK. Define Amygdala's Cells as BACK. Define Amygdala's Photoreceptor Cells as BACK. Define Hippocampus's Cells as BACK. Define Hippocampus's Hippocampal Neurons as W; so W = 14. Define Hippocampus's Cells as e; so e = W = 14. Define Autonomic Nerves's Bipolar Cells as F; u = e - W = 14 - 14 = 0; so F = 21 * u = 21 * 0 = 0. Define Amygdala's Photoreceptor Cells as BACK. Define Amygdala's Cells as BACK. Define Autonomic Nerves's Cells as r; so r = F = 0. Define Amygdala's Photoreceptor Cells as L; so L = 18 + r = 18 + 0 = 18. Define Amygdala's Cells as k; so k = L = 18.

18

med

The number of each Vulture Valley's Hawk equals 5 more than each Vulture Valley's Peacock. The number of each Owl Forest's Peacock equals 15 more than the sum of each Vulture Valley's Peacock and each Vulture Valley's Animal. The number of each Owl Forest's Pigeon equals each Vulture Valley's Hawk. The number of each Penguin Exhibit's Peacock equals 8. The number of each Vulture Valley's Peacock equals 1. The number of each Penguin Exhibit's Hawk equals each Owl Forest's Pigeon. The number of each Owl Forest's Hawk equals each Penguin Exhibit's Hawk. How many Hawk does Penguin Exhibit have?

Define Owl Forest's Peacock as BACK. Define Penguin Exhibit's Hawk as BACK. Define Owl Forest's Pigeon as BACK. Define Vulture Valley's Hawk as BACK. Define Vulture Valley's Peacock as J; so J = 1. Define Owl Forest's Pigeon as BACK. Define Penguin Exhibit's Animal as BACK. Define Vulture Valley's Animal as BACK. Define Vulture Valley's Hawk as L; so L = 5 + J = 5 + 1 = 6. Define Owl Forest's Peacock as BACK. Define Owl Forest's Hawk as BACK. Define Penguin Exhibit's Animal as BACK. Define Owl Forest's Pigeon as N; so N = L = 6. Define Owl Forest's Hawk as BACK. Define Owl Forest's Animal as BACK. Define Penguin Exhibit's Hawk as C; so C = N = 6.

6

med

The number of each Bat's Arteries equals 18 times as much as each Kingfisher's Mitral Valve. The number of each Kingfisher's Aortic Valve equals 1. The number of each Bat's Aortic Valve equals each Kingfisher's Mitral Valve. The number of each Kingfisher's Arteries equals the sum of each Crow's Arteries, each Crow's Organs, each Bat's Organs and each Kingfisher's Mitral Valve. The number of each Crow's Arteries equals the sum of each Bat's Mitral Valve and each Kingfisher's Aortic Valve. The number of each Bat's Mitral Valve equals each Kingfisher's Aortic Valve. The number of each Kingfisher's Mitral Valve equals 5. The number of each Crow's Aortic Valve equals 9. The number of each Crow's Mitral Valve equals each Bat's Arteries. How many Mitral Valve does Kingfisher have?

Define Kingfisher's Mitral Valve as A; so A = 5.

5

hard

The number of each Castle District's Shop 'n Save equals the sum of each Historic Downtown's Shoppers Value Foods and each Castle District's Dollar Tree. The number of each Historic Downtown's Shop 'n Save equals 17. The number of each Castle District's Shoppers Value Foods equals 5 more than the sum of each Castle District's Dollar Tree, each Historic Downtown's Shoppers Value Foods and each Castle District's Lidl. The number of each Historic Downtown's Shoppers Value Foods equals 19 more than each Castle District's Dollar Tree. The number of each Historic Downtown's Lidl equals 2. The number of each National Historic Landmark District's Shoppers Value Foods equals 6 more than each Castle District's Lidl. The number of each Castle District's Lidl equals 5 times as much as the difference of each Castle District's Dollar Tree and each Historic Downtown's Shoppers Value Foods. The number of each Castle District's Dollar Tree equals 21. The number of each National Historic Landmark District's Dollar Tree equals 8 more than each Historic Downtown's Lidl. The number of each National Historic Landmark District's Lidl equals the sum of each Historic Downtown's Shop 'n Save, each National Historic Landmark District's Dollar Tree, each National Historic Landmark District's Shop 'n Save and each Historic Downtown's Lidl. The number of each National Historic Landmark District's Shop 'n Save equals the sum of each Historic Downtown's Lidl and each National Historic Landmark District's Dollar Tree. The number of each Historic Downtown's Dollar Tree equals 5. How many Dollar Tree does National Historic Landmark District have?

Define Castle District's Lidl as BACK. Define National Historic Landmark District's Dollar Tree as BACK. Define Historic Downtown's Supermarket as BACK. Define Historic Downtown's Lidl as I; so I = 2. Define Historic Downtown's Supermarket as BACK. Define National Historic Landmark District's Dollar Tree as j; so j = 8 + I = 8 + 2 = 10.

10

med

The number of each Trigonometry Room's Yoga Mat Backpack equals 21 times as much as each Rosewood High's Trigonometry Room. The number of each Yoga Mat Backpack's Palette equals 12 more than each Yoga Mat Backpack's Paintbrush. The number of each Gym Backpack's Palette equals the sum of each Yoga Mat Backpack's Paintbrush, each Rosewood High's Trigonometry Room and each Gym Backpack's Paintbrush. The number of each Yoga Mat Backpack's Paintbrush equals 22 times as much as each Northridge High's Trigonometry Room. The number of each Northridge High's Trigonometry Room equals 0. The number of each Trigonometry Room's Gym Backpack equals 10. The number of each Rosewood High's Trigonometry Room equals each Northridge High's Trigonometry Room. The number of each Number Theory Room's Gym Backpack equals 16. The number of each Northridge High's Number Theory Room equals the sum of each Gym Backpack's Paintbrush and each Number Theory Room's Backpack. The number of each Rosewood High's Number Theory Room equals 14. The number of each Gym Backpack's Paintbrush equals the sum of each Yoga Mat Backpack's Paintbrush and each Northridge High's Trigonometry Room. The number of each Number Theory Room's Yoga Mat Backpack equals each Number Theory Room's Gym Backpack. How many Backpack does Number Theory Room have?

Define Gym Backpack's Palette as BACK. Define Rosewood High's Stationery as BACK. Define Number Theory Room's Gym Backpack as v; so v = 16. Define Number Theory Room's Yoga Mat Backpack as c; so c = v = 16. Define Gym Backpack's Paintbrush as BACK. Define Number Theory Room's Backpack as D; so D = c + v = 16 + 16 = 9.

9

med

The number of each Monument Zone's Fresh Thyme Market equals 13. The number of each Cheese's Mushrooms equals 20 times as much as each Monument Zone's Fresh Thyme Market. The number of each Cheese's Garlic equals 0. The number of each Monument Zone's Whole Foods Market equals 17 more than each Monument Zone's Fresh Thyme Market. The number of each Whole Foods Market's Cheese equals 13 times as much as each Fresh Thyme Market's Product. The number of each Whole Foods Market's Milk equals 15 times as much as each Fresh Thyme Market's Product. How many Cheese does Whole Foods Market have?

Define Fresh Thyme Market's Product as O; so O = 0. Define Monument Zone's Ingredient as BACK. Define Monument Zone's Supermarket as BACK. Define Whole Foods Market's Cheese as E; so E = 13 * O = 13 * 0 = 0.

0

hard

The number of each Potato Chips's Mango equals 8. The number of each Candy Bars's Mango equals each Candy Bars's Pear. The number of each Candy Bars's Pear equals 19. The number of each Nuts's Banana equals 4 times as much as each Potato Chips's Mango. The number of each Nuts's Mango equals the sum of each Potato Chips's Mango, each Potato Chips's Banana, each Candy Bars's Ingredient and each Candy Bars's Pear. The number of each Nuts's Pear equals 8 more than each Nuts's Banana. The number of each Potato Chips's Pear equals each Candy Bars's Banana. The number of each Candy Bars's Banana equals each Potato Chips's Mango. The number of each Potato Chips's Banana equals 6 more than each Candy Bars's Pear. How many Pear does Nuts have?

Define Candy Bars's Mango as BACK. Define Potato Chips's Pear as BACK. Define Potato Chips's Mango as O; so O = 8. Define Potato Chips's Banana as BACK. Define Potato Chips's Pear as BACK. Define Nuts's Banana as g; so g = 4 * O = 4 * 8 = 9. Define Candy Bars's Mango as BACK. Define Nuts's Pear as W; so W = 8 + g = 8 + 9 = 17.

17

med

The number of each Coastal Ecosystem's Hummingbird equals 19 more than each Wetland's Creatures. The number of each Wetland's Butterfly equals 15. The number of each Hummingbird's Ganglia equals each Coastal Ecosystem's Creatures. The number of each Butterfly's Ganglia equals 9 more than the sum of each Coastal Ecosystem's Creatures and each Hummingbird's Ganglia. The number of each Coastal Ecosystem's Butterfly equals each Wetland's Butterfly. The number of each Butterfly's Hippocampus equals the difference of each Hummingbird's Organs and each Coastal Ecosystem's Creatures. The number of each Hummingbird's Hippocampus equals 2 more than each Wetland's Butterfly. The number of each Wetland's Hummingbird equals 2 more than each Wetland's Butterfly. How many Organs does Hummingbird have?

Define Wetland's Organs as BACK. Define Wetland's Hummingbird as BACK. Define Coastal Ecosystem's Hummingbird as BACK. Define Butterfly's Hippocampus as BACK. Define Wetland's Butterfly as h; so h = 15. Define Wetland's Hummingbird as m; so m = 2 + h = 2 + 15 = 17. Define Hummingbird's Organs as BACK. Define Butterfly's Ganglia as BACK. Define Coastal Ecosystem's Hummingbird as BACK. Define Coastal Ecosystem's Organs as BACK. Define Wetland's Creatures as R; so R = h + m = 15 + 17 = 9. Define Coastal Ecosystem's Hummingbird as F; so F = 19 + R = 19 + 9 = 5. Define Coastal Ecosystem's Butterfly as P; so P = h = 15. Define Coastal Ecosystem's Creatures as A; so A = P + F = 15 + 5 = 20. Define Hummingbird's Ganglia as u; so u = A = 20. Define Butterfly's Organs as BACK. Define Wetland's Organs as BACK. Define Hummingbird's Hippocampus as t; so t = 2 + h = 2 + 15 = 17. Define Hummingbird's Organs as j; so j = t + u = 17 + 20 = 14.

14

hard

The number of each Penguin's Metacarpal II equals each Seagull's Bone. The number of each Hluhluwe-Imfolozi Park's Owl Forest equals the sum of each Hluhluwe-Imfolozi Park's Flamingo Lagoon and each Flamingo Lagoon's Seagull. The number of each Seagull's Metacarpal II equals 4 times as much as each Crane Courtyard's Bone. The number of each Seagull's Intermediate Carpal equals 19 times as much as the sum of each Crane Courtyard's Bone and each Seagull's Metacarpal II. The number of each Ruaha National Park's Crane Courtyard equals 13 times as much as each Seagull's Intermediate Carpal. The number of each Owl Forest's Penguin equals each Penguin's Metacarpal II. The number of each Owl Forest's Sparrow equals 19 more than each Seagull's Intermediate Carpal. The number of each Flamingo Lagoon's Seagull equals 13 times as much as each Hluhluwe-Imfolozi Park's Flamingo Lagoon. The number of each Hluhluwe-Imfolozi Park's Flamingo Lagoon equals 6. The number of each Selous Game Reserve's Owl Forest equals 14 times as much as each Owl Forest's Penguin. The number of each Flamingo Lagoon's Sparrow equals the difference of each Hluhluwe-Imfolozi Park's Flamingo Lagoon and each Flamingo Lagoon's Seagull. The number of each Penguin's Ulnar Carpal equals 15 times as much as the difference of each Crane Courtyard's Bone and each Owl Forest's Sparrow. How many Animal does Selous Game Reserve have?

Define Crane Courtyard's Bone as l; so l = 0. Define Hluhluwe-Imfolozi Park's Owl Forest as BACK. Define Seagull's Bone as BACK. Define Owl Forest's Animal as BACK. Define Ruaha National Park's Crane Courtyard as BACK. Define Penguin's Ulnar Carpal as BACK. Define Selous Game Reserve's Animal as BACK. Define Owl Forest's Bone as BACK. Define Seagull's Metacarpal II as d; so d = 4 * l = 4 * 0 = 0. Define Flamingo Lagoon's Animal as BACK. Define Ruaha National Park's Enclosure as BACK. Define Seagull's Intermediate Carpal as S; W = l + d = 0 + 0 = 0; so S = 19 * W = 19 * 0 = 0. Define Seagull's Bone as m; so m = d + S = 0 + 0 = 0. Define Owl Forest's Bone as BACK. Define Penguin's Ulnar Carpal as BACK. Define Owl Forest's Penguin as BACK. Define Hluhluwe-Imfolozi Park's Animal as BACK. Define Selous Game Reserve's Animal as BACK. Define Penguin's Metacarpal II as U; so U = m = 0. Define Hluhluwe-Imfolozi Park's Animal as BACK. Define Selous Game Reserve's Animal as BACK. Define Flamingo Lagoon's Animal as BACK. Define Owl Forest's Penguin as s; so s = U = 0. Define Penguin's Bone as BACK. Define Hluhluwe-Imfolozi Park's Bone as BACK. Define Owl Forest's Sparrow as r; so r = 19 + S = 19 + 0 = 19. Define Ruaha National Park's Animal as BACK. Define Flamingo Lagoon's Seagull as BACK. Define Flamingo Lagoon's Animal as BACK. Define Selous Game Reserve's Enclosure as BACK. Define Hluhluwe-Imfolozi Park's Bone as BACK. Define Hluhluwe-Imfolozi Park's Enclosure as BACK. Define Owl Forest's Animal as T; so T = s + r = 0 + 19 = 19. Define Flamingo Lagoon's Sparrow as BACK. Define Selous Game Reserve's Owl Forest as P; so P = 14 * s = 14 * 0 = 0. Define Ruaha National Park's Enclosure as BACK. Define Selous Game Reserve's Animal as K; so K = P * T = 0 * 19 = 0.

0

med

The number of each Starlight College's Fluid Mechanics Lab equals each Statistics Lab's Trekking Backpack. The number of each Fluid Mechanics Lab's Travel Daypack equals each Thermodynamics Lab's Hiking Backpack. The number of each Crescent College's Thermodynamics Lab equals the difference of each Starlight College's Fluid Mechanics Lab and each Statistics Lab's Trekking Backpack. The number of each Statistics Lab's Trekking Backpack equals 2. The number of each Thermodynamics Lab's Travel Daypack equals 17. The number of each Thermodynamics Lab's Hiking Backpack equals 0 more than each Skyline College's Classroom. The number of each Crescent College's Statistics Lab equals 1. The number of each Starlight College's Thermodynamics Lab equals each Crescent College's Thermodynamics Lab. The number of each Starlight College's Statistics Lab equals each Fluid Mechanics Lab's Backpack. How many Travel Daypack does Thermodynamics Lab have?

Define Starlight College's Statistics Lab as BACK. Define Thermodynamics Lab's Travel Daypack as x; so x = 17.

17

hard

The number of each Paramecium's Coronary Arteries equals 5. The number of each Nematode's Cardiac Muscle equals the sum of each Paramecium's Aorta, each Volvox's Aorta and each Volvox's Tricuspid Valve. The number of each Nematode's Aorta equals 17 more than each Nematode's Coronary Arteries. The number of each Volvox's Tricuspid Valve equals each Paramecium's Tricuspid Valve. The number of each Nematode's Coronary Arteries equals 0 more than the difference of each Paramecium's Aorta and each Paramecium's Tricuspid Valve. The number of each Volvox's Cardiac Muscle equals each Paramecium's Organs. The number of each Volvox's Coronary Arteries equals 17. The number of each Tardigrade's Cardiac Muscle equals each Volvox's Aorta. The number of each Volvox's Aorta equals the difference of each Paramecium's Tricuspid Valve and each Volvox's Tricuspid Valve. The number of each Paramecium's Tricuspid Valve equals 2. The number of each Tardigrade's Tricuspid Valve equals the sum of each Paramecium's Tricuspid Valve and each Volvox's Coronary Arteries. The number of each Tardigrade's Aorta equals each Tardigrade's Coronary Arteries. The number of each Tardigrade's Coronary Arteries equals the difference of each Nematode's Coronary Arteries and each Paramecium's Tricuspid Valve. The number of each Nematode's Tricuspid Valve equals each Tardigrade's Tricuspid Valve. The number of each Paramecium's Aorta equals 2. The number of each Paramecium's Cardiac Muscle equals the sum of each Volvox's Tricuspid Valve, each Nematode's Tricuspid Valve and each Volvox's Coronary Arteries. How many Coronary Arteries does Volvox have?

Define Tardigrade's Organs as BACK. Define Volvox's Coronary Arteries as h; so h = 17.

17

hard

The number of each Kingfisher's Veins equals each Swan's Veins. The number of each Benthic Zone's Swan equals 19 more than each Swan's Veins. The number of each Swan's Tricuspid Valve equals 14. The number of each Pelagic Zone's Kingfisher equals 12 times as much as each Kingfisher's Tricuspid Valve. The number of each Pelagic Zone's Swan equals each Kingfisher's Veins. The number of each Benthic Zone's Kingfisher equals 11. The number of each Kingfisher's Tricuspid Valve equals 12 more than each Swan's Tricuspid Valve. The number of each Swan's Veins equals 21 more than each Benthic Zone's Kingfisher. How many Swan does Benthic Zone have?

Define Benthic Zone's Kingfisher as v; so v = 11. Define Kingfisher's Organs as BACK. Define Pelagic Zone's Creatures as BACK. Define Benthic Zone's Creatures as BACK. Define Pelagic Zone's Swan as BACK. Define Pelagic Zone's Organs as BACK. Define Swan's Organs as BACK. Define Swan's Veins as R; so R = 21 + v = 21 + 11 = 9. Define Benthic Zone's Swan as U; so U = 19 + R = 19 + 9 = 5.

5

hard

The number of each Cinnamon Rolls's Bell Pepper equals 18 times as much as each Pastries's Onion. The number of each Pastries's Onion equals each Cinnamon Rolls's Onion. The number of each Pastries's Sweet Corn equals each Pastries's Bell Pepper. The number of each Carrefour's Cinnamon Rolls equals 11 more than each Pastries's Bell Pepper. The number of each Tesco's Cinnamon Rolls equals the sum of each Tesco's Pastries and each Carrefour's Cinnamon Rolls. The number of each Asda's Pastries equals the difference of each Cinnamon Rolls's Bell Pepper and each Cinnamon Rolls's Sweet Corn. The number of each Asda's Cinnamon Rolls equals 2 more than each Carrefour's Product. The number of each Pastries's Bell Pepper equals 18. The number of each Cinnamon Rolls's Onion equals 6. The number of each Carrefour's Pastries equals 10 more than the sum of each Tesco's Pastries, each Pastries's Bell Pepper and each Carrefour's Cinnamon Rolls. The number of each Tesco's Pastries equals 7 more than the difference of each Carrefour's Cinnamon Rolls and each Pastries's Bell Pepper. The number of each Cinnamon Rolls's Sweet Corn equals 20 times as much as each Cinnamon Rolls's Onion. How many Pastries does Carrefour have?

Define Asda's Product as BACK. Define Pastries's Bell Pepper as k; so k = 18. Define Cinnamon Rolls's Bell Pepper as BACK. Define Tesco's Cinnamon Rolls as BACK. Define Tesco's Product as BACK. Define Pastries's Ingredient as BACK. Define Asda's Pastries as BACK. Define Asda's Product as BACK. Define Carrefour's Cinnamon Rolls as N; so N = 11 + k = 11 + 18 = 6. Define Tesco's Pastries as Q; z = N - k = 6 - 18 = 11; so Q = 7 + z = 7 + 11 = 18. Define Carrefour's Pastries as w; M = Q + k = 18 + 18 = 13; B = M + N = 13 + 6 = 19; so w = 10 + B = 10 + 19 = 6.

6

hard

The number of each Digital Arts Studio's Sports Ball Backpack equals 0 more than each Summit University's Theater Arts Classroom. The number of each King's Crown University's Philosophy Classroom equals each Riverstone University's Digital Arts Studio. The number of each Riverstone University's Philosophy Classroom equals 11 more than each Ceramics Studio's Fitness Backpack. The number of each Ceramics Studio's Fitness Backpack equals 15 more than each Ceramics Studio's Sports Ball Backpack. The number of each Ceramics Studio's Sports Ball Backpack equals the sum of each Ceramics Studio's Surfing Backpack and each Summit University's Theater Arts Classroom. The number of each Ceramics Studio's Climbing Backpack equals 19 more than the sum of each Ceramics Studio's Fitness Backpack, each Summit University's Classroom and each Philosophy Classroom's Backpack. The number of each Ceramics Studio's Surfing Backpack equals each Digital Arts Studio's Sports Ball Backpack. The number of each Theater Arts Classroom's Climbing Backpack equals 7 more than each Riverstone University's Digital Arts Studio. The number of each Riverstone University's Ceramics Studio equals the sum of each Summit University's Theater Arts Classroom, each Philosophy Classroom's Backpack and each Ceramics Studio's Sports Ball Backpack. The number of each Summit University's Theater Arts Classroom equals 7. The number of each Riverstone University's Digital Arts Studio equals 0. How many Philosophy Classroom does Riverstone University have?

Define Summit University's Theater Arts Classroom as g; so g = 7. Define Ceramics Studio's Sports Ball Backpack as BACK. Define Digital Arts Studio's Sports Ball Backpack as R; so R = 0 + g = 0 + 7 = 7. Define Ceramics Studio's Surfing Backpack as M; so M = R = 7. Define Ceramics Studio's Fitness Backpack as BACK. Define Theater Arts Classroom's Climbing Backpack as BACK. Define Riverstone University's Backpack as BACK. Define Summit University's Backpack as BACK. Define Riverstone University's Classroom as BACK. Define Ceramics Studio's Sports Ball Backpack as l; so l = M + g = 7 + 7 = 14. Define Ceramics Studio's Climbing Backpack as BACK. Define Riverstone University's Ceramics Studio as BACK. Define Ceramics Studio's Fitness Backpack as t; so t = 15 + l = 15 + 14 = 6. Define Riverstone University's Philosophy Classroom as A; so A = 11 + t = 11 + 6 = 17.

17

med

The number of each Shoe Compartment Backpack's Rollerball Pen equals 12 times as much as each North Star Elementary's Inorganic Chemistry Lab. The number of each Forensic Lab's Workout Backpack equals 17. The number of each Maple Grove Elementary's Inorganic Chemistry Lab equals 2 times as much as each Forensic Lab's Workout Backpack. The number of each Shoe Compartment Backpack's Brush Pen equals each Shoe Compartment Backpack's Rollerball Pen. The number of each North Star Elementary's Forensic Lab equals 16 more than each Shoe Compartment Backpack's Rollerball Pen. The number of each Inorganic Chemistry Lab's Workout Backpack equals each Inorganic Chemistry Lab's Shoe Compartment Backpack. The number of each Inorganic Chemistry Lab's Shoe Compartment Backpack equals 1 more than each Forensic Lab's Stationery. The number of each North Star Elementary's Inorganic Chemistry Lab equals 15. How many Backpack does Maple Grove Elementary have?

Define Inorganic Chemistry Lab's Backpack as BACK. Define Workout Backpack's Stationery as d; so d = 0. Define Forensic Lab's Workout Backpack as g; so g = 17. Define Forensic Lab's Stationery as a; so a = g * d = 17 * 0 = 0. Define North Star Elementary's Forensic Lab as BACK. Define Inorganic Chemistry Lab's Shoe Compartment Backpack as Q; so Q = 1 + a = 1 + 0 = 1. Define Inorganic Chemistry Lab's Workout Backpack as w; so w = Q = 1. Define North Star Elementary's Backpack as BACK. Define Maple Grove Elementary's Classroom as BACK. Define Inorganic Chemistry Lab's Backpack as R; so R = w + Q = 1 + 1 = 2. Define North Star Elementary's Forensic Lab as BACK. Define Shoe Compartment Backpack's Stationery as BACK. Define Maple Grove Elementary's Inorganic Chemistry Lab as j; so j = 2 * g = 2 * 17 = 11. Define Shoe Compartment Backpack's Brush Pen as BACK. Define Maple Grove Elementary's Backpack as y; so y = j * R = 11 * 2 = 22.

22

med

The number of each Cerebellum's Monocytes equals 13 more than the sum of each Cerebellum's Basophils, each River Ecosystem's Sloth and each Sloth's Cerebellum. The number of each River Ecosystem's Kangaroo equals 12 more than each Cerebellum's Basophils. The number of each River Ecosystem's Chimpanzee equals the sum of each Cerebellum's Natural Killer Cells and each Brackish Water's Chimpanzee. The number of each Sloth's Cerebellum equals 22 more than each Kangaroo's Amygdala. The number of each Sloth's Thalamus equals each Amygdala's Basophils. The number of each Thalamus's Monocytes equals 18. The number of each Chimpanzee's Amygdala equals each Brackish Water's Creatures. The number of each Wetland's Chimpanzee equals each Cerebellum's Monocytes. The number of each Thalamus's Natural Killer Cells equals each Kangaroo's Amygdala. The number of each Brackish Water's Chimpanzee equals 5 times as much as each Thalamus's Monocytes. The number of each Chimpanzee's Cerebellum equals 14. The number of each Amygdala's Basophils equals 15 times as much as each River Ecosystem's Sloth. The number of each Sloth's Amygdala equals the difference of each Thalamus's Natural Killer Cells and each Kangaroo's Amygdala. The number of each Wetland's Sloth equals 6. The number of each Cerebellum's Natural Killer Cells equals the sum of each Brackish Water's Chimpanzee and each Thalamus's Monocytes. The number of each Kangaroo's Amygdala equals 22. The number of each Amygdala's Natural Killer Cells equals the difference of each River Ecosystem's Chimpanzee and each Wetland's Sloth. The number of each Kangaroo's Cerebellum equals 7. The number of each Cerebellum's Basophils equals each Sloth's Organs. The number of each River Ecosystem's Sloth equals each Sloth's Amygdala. How many Chimpanzee does Wetland have?

Define Kangaroo's Amygdala as A; so A = 22. Define Thalamus's Natural Killer Cells as p; so p = A = 22. Define Sloth's Amygdala as U; so U = p - A = 22 - 22 = 0. Define River Ecosystem's Sloth as R; so R = U = 0. Define Sloth's Cerebellum as k; so k = 22 + A = 22 + 22 = 21. Define Amygdala's Basophils as H; so H = 15 * R = 15 * 0 = 0. Define Sloth's Thalamus as P; so P = H = 0. Define Wetland's Cells as BACK. Define Sloth's Cells as BACK. Define Sloth's Organs as l; w = U + P = 0 + 0 = 0; so l = w + k = 0 + 21 = 21. Define Amygdala's Natural Killer Cells as BACK. Define Cerebellum's Basophils as y; so y = l = 21. Define Cerebellum's Monocytes as h; S = y + R = 21 + 0 = 21; n = S + k = 21 + 21 = 19; so h = 13 + n = 13 + 19 = 9. Define Brackish Water's Chimpanzee as BACK. Define Wetland's Chimpanzee as x; so x = h = 9.

9

hard

The number of each Designer Backpack's Drawing Board equals 4. The number of each Tool Backpack's Acrylic Paint equals each Designer Backpack's Stencil. The number of each Tool Backpack's Stencil equals 12 times as much as the difference of each Tool Backpack's Drawing Board and each Conference Backpack's Drawing Board. The number of each Conference Backpack's Stencil equals 7 times as much as the difference of each Designer Backpack's Stencil and each Tool Backpack's Drawing Board. The number of each Tool Backpack's Drawing Board equals 11. The number of each Designer Backpack's Stencil equals 12. The number of each Conference Backpack's Drawing Board equals 7. The number of each Designer Backpack's Acrylic Paint equals 5 more than each Designer Backpack's Stencil. The number of each Conference Backpack's Acrylic Paint equals 17 times as much as each Designer Backpack's Stationery. How many Acrylic Paint does Conference Backpack have?

Define Tool Backpack's Stationery as BACK. Define Conference Backpack's Acrylic Paint as BACK. Define Conference Backpack's Stationery as BACK. Define Designer Backpack's Stencil as i; so i = 12. Define Designer Backpack's Acrylic Paint as r; so r = 5 + i = 5 + 12 = 17. Define Tool Backpack's Stencil as BACK. Define Conference Backpack's Stationery as BACK. Define Tool Backpack's Stationery as BACK. Define Designer Backpack's Drawing Board as J; so J = 4. Define Tool Backpack's Stencil as BACK. Define Designer Backpack's Stationery as l; z = J + r = 4 + 17 = 21; so l = z + i = 21 + 12 = 10. Define Conference Backpack's Acrylic Paint as E; so E = 17 * l = 17 * 10 = 9.

9

med

The number of each WinCo Foods's Pita Bread equals 17. The number of each Fiesta Foods's Pita Bread equals each Fiesta Foods's Pies. The number of each Fiesta Foods's Pies equals 0 more than the difference of each WinCo Foods's Product and each WinCo Foods's Pita Bread. How many Product does Fiesta Foods have?

Define Fiesta Foods's Pies as BACK. Define Fiesta Foods's Pita Bread as BACK. Define WinCo Foods's Pita Bread as t; so t = 17. Define Fiesta Foods's Pies as BACK. Define Fiesta Foods's Pita Bread as BACK. Define Fiesta Foods's Product as BACK. Define WinCo Foods's Product as r; so r = t = 17. Define Fiesta Foods's Pies as m; k = r - t = 17 - 17 = 0; so m = 0 + k = 0 + 0 = 0. Define Fiesta Foods's Product as BACK. Define Fiesta Foods's Pita Bread as f; so f = m = 0. Define Fiesta Foods's Product as D; so D = m + f = 0 + 0 = 0.

0

med

The number of each Surfing Backpack's Planner equals 14. The number of each Physics Lab's Fitness Backpack equals each Chemistry Lab's Surfing Backpack. The number of each Botany Lab's Fitness Backpack equals each Botany Lab's Crossfit Backpack. The number of each Fitness Backpack's Desk Organizer equals 0. The number of each Fitness Backpack's Desk Pad equals each Botany Lab's Crossfit Backpack. The number of each Physics Lab's Crossfit Backpack equals 9 more than each Surfing Backpack's Planner. The number of each Botany Lab's Surfing Backpack equals each Physics Lab's Crossfit Backpack. The number of each Surfing Backpack's Desk Organizer equals each Chemistry Lab's Surfing Backpack. The number of each Botany Lab's Crossfit Backpack equals 14. The number of each Physics Lab's Surfing Backpack equals 17 times as much as the sum of each Crossfit Backpack's Planner, each Chemistry Lab's Surfing Backpack and each Botany Lab's Crossfit Backpack. The number of each Crossfit Backpack's Planner equals each Botany Lab's Fitness Backpack. The number of each Chemistry Lab's Fitness Backpack equals 0. The number of each Crossfit Backpack's Desk Organizer equals 6. The number of each Chemistry Lab's Surfing Backpack equals 18. The number of each Crossfit Backpack's Desk Pad equals the difference of each Botany Lab's Backpack and each Botany Lab's Fitness Backpack. The number of each Surfing Backpack's Desk Pad equals 21 times as much as each Surfing Backpack's Planner. The number of each Chemistry Lab's Crossfit Backpack equals each Botany Lab's Fitness Backpack. How many Crossfit Backpack does Physics Lab have?

Define Physics Lab's Stationery as BACK. Define Surfing Backpack's Planner as L; so L = 14. Define Physics Lab's Crossfit Backpack as p; so p = 9 + L = 9 + 14 = 0.

0

hard

The number of each Photography Studio's Slim Work Backpack equals 3. The number of each Metropolitan University's Photography Studio equals 22 more than each Anthropology Classroom's Organizer Work Backpack. The number of each Summit University's Anthropology Classroom equals each Sociology Classroom's Backpack. The number of each Sociology Classroom's Modular Backpack equals each Anthropology Classroom's Organizer Work Backpack. The number of each Lakeside University's Sociology Classroom equals 13 more than each Photography Studio's Slim Work Backpack. The number of each Sociology Classroom's Commuter Backpack equals 4. The number of each Summit University's Visual Arts Studio equals the sum of each Sociology Classroom's Commuter Backpack and each Visual Arts Studio's Backpack. The number of each Anthropology Classroom's Organizer Work Backpack equals 1. How many Backpack does Summit University have?

Define Anthropology Classroom's Organizer Work Backpack as A; so A = 1. Define Summit University's Visual Arts Studio as BACK. Define Metropolitan University's Classroom as BACK. Define Sociology Classroom's Commuter Backpack as i; so i = 4. Define Summit University's Anthropology Classroom as BACK. Define Sociology Classroom's Modular Backpack as Q; so Q = A = 1. Define Visual Arts Studio's Backpack as r; so r = 0. Define Summit University's Visual Arts Studio as c; so c = i + r = 4 + 0 = 4. Define Lakeside University's Classroom as BACK. Define Metropolitan University's Backpack as BACK. Define Sociology Classroom's Backpack as a; so a = i + Q = 4 + 1 = 5. Define Metropolitan University's Backpack as BACK. Define Anthropology Classroom's Backpack as p; so p = A = 1. Define Lakeside University's Backpack as BACK. Define Summit University's Anthropology Classroom as N; so N = a = 5. Define Lakeside University's Classroom as BACK. Define Summit University's Backpack as o; D = c * r = 4 * 0 = 0; X = N * p = 5 * 1 = 5; so o = D + X = 0 + 5 = 5.

5

med

The number of each River Valley Elementary's Geography Lab equals 10 times as much as each River Valley Elementary's International Relations Classroom. The number of each International Relations Classroom's Multi-Day Pack equals 10 times as much as the sum of each International Relations Classroom's Convertible Backpack and each International Relations Classroom's Travel Daypack. The number of each Geography Lab's Multi-Day Pack equals 3. The number of each Travel Daypack's Watercolor Paint equals 15. The number of each Geography Lab's Travel Daypack equals 19. The number of each Sunnydale Primary's International Relations Classroom equals each International Relations Classroom's Travel Daypack. The number of each Convertible Backpack's Watercolor Paint equals 5 more than each Geography Lab's Travel Daypack. The number of each Multi-Day Pack's Stencil equals 18. The number of each International Relations Classroom's Convertible Backpack equals 17. The number of each River Valley Elementary's International Relations Classroom equals each Geography Lab's Travel Daypack. The number of each Travel Daypack's Stencil equals each Geography Lab's Travel Daypack. The number of each Travel Daypack's Palette equals 5 times as much as the difference of each Geography Lab's Multi-Day Pack and each Multi-Day Pack's Stencil. The number of each International Relations Classroom's Travel Daypack equals 9 times as much as each International Relations Classroom's Convertible Backpack. The number of each Multi-Day Pack's Palette equals the sum of each Convertible Backpack's Watercolor Paint and each Geography Lab's Backpack. How many Backpack does International Relations Classroom have?

Define International Relations Classroom's Convertible Backpack as p; so p = 17. Define River Valley Elementary's International Relations Classroom as BACK. Define International Relations Classroom's Backpack as BACK. Define Travel Daypack's Palette as BACK. Define River Valley Elementary's Backpack as BACK. Define River Valley Elementary's Geography Lab as BACK. Define International Relations Classroom's Travel Daypack as Q; so Q = 9 * p = 9 * 17 = 15. Define Travel Daypack's Stencil as BACK. Define International Relations Classroom's Stationery as BACK. Define International Relations Classroom's Multi-Day Pack as d; a = p + Q = 17 + 15 = 9; so d = 10 * a = 10 * 9 = 21. Define International Relations Classroom's Backpack as m; f = p + Q = 17 + 15 = 9; so m = f + d = 9 + 21 = 7.

7

hard

The number of each Swordfish's Cannon Bone equals 13. The number of each Detroit Insectarium's Toad Abode equals each Toad Abode's Herring. The number of each Insectarium of Chicago's Python Palace equals the sum of each Detroit Insectarium's Python Palace and each Python Palace's Swordfish. The number of each Detroit Insectarium's Python Palace equals each Python Palace's Swordfish. The number of each Insectarium of Chicago's Toad Abode equals 0 more than each Detroit Insectarium's Toad Abode. The number of each Toad Abode's Swordfish equals 20 times as much as each Insectarium of Chicago's Enclosure. The number of each Swordfish's Radius equals 3. The number of each Herring's Cannon Bone equals 5. The number of each Toad Abode's Herring equals 14. The number of each Python Palace's Swordfish equals each Swordfish's Cannon Bone. How many Swordfish does Toad Abode have?

Define Swordfish's Cannon Bone as I; so I = 13. Define Python Palace's Bone as BACK. Define Detroit Insectarium's Python Palace as BACK. Define Insectarium of Chicago's Toad Abode as BACK. Define Python Palace's Swordfish as m; so m = I = 13. Define Detroit Insectarium's Python Palace as W; so W = m = 13. Define Detroit Insectarium's Toad Abode as BACK. Define Insectarium of Chicago's Bone as BACK. Define Insectarium of Chicago's Enclosure as BACK. Define Insectarium of Chicago's Animal as BACK. Define Toad Abode's Swordfish as BACK. Define Python Palace's Bone as BACK. Define Herring's Bone as BACK. Define Toad Abode's Herring as d; so d = 14. Define Insectarium of Chicago's Python Palace as L; so L = W + m = 13 + 13 = 3. Define Detroit Insectarium's Toad Abode as T; so T = d = 14. Define Insectarium of Chicago's Toad Abode as J; so J = 0 + T = 0 + 14 = 14. Define Swordfish's Bone as BACK. Define Toad Abode's Animal as BACK. Define Insectarium of Chicago's Enclosure as K; so K = J + L = 14 + 3 = 17. Define Toad Abode's Swordfish as U; so U = 20 * K = 20 * 17 = 18.

18

hard

The number of each Coral's Liver equals 15. The number of each Manatee's Jejunum equals each Manatee's Liver. The number of each Manatee's Liver equals 2 times as much as each Walrus's Jejunum. The number of each Coral's Cecum equals each Manatee's Jejunum. The number of each Walrus's Liver equals 13 more than the sum of each Walrus's Jejunum and each Manatee's Liver. The number of each Manatee's Cecum equals each Manatee's Liver. The number of each Walrus's Cecum equals each Coral's Jejunum. The number of each Coral's Jejunum equals 8. The number of each Walrus's Jejunum equals 0. How many Cecum does Coral have?

Define Walrus's Jejunum as C; so C = 0. Define Manatee's Organs as BACK. Define Coral's Cecum as BACK. Define Manatee's Jejunum as BACK. Define Manatee's Liver as q; so q = 2 * C = 2 * 0 = 0. Define Manatee's Jejunum as V; so V = q = 0. Define Coral's Cecum as F; so F = V = 0.

0

hard

The number of each Wolf Woods's Snake equals 21. The number of each Lemur Island's Turtle equals each Wolf Woods's Tortoise. The number of each Bat Cave's Snake equals 20. The number of each Lemur Island's Iguana equals each Bat Cave's Snake. The number of each Anteater Area's Turtle equals each Wolf Woods's Tortoise. The number of each Wolf Woods's Tortoise equals 21 times as much as each Lemur Island's Snake. The number of each Wolf Woods's Iguana equals 5. The number of each Bat Cave's Iguana equals each Wolf Woods's Turtle. The number of each Lemur Island's Snake equals 9. The number of each Bat Cave's Turtle equals the sum of each Anteater Area's Iguana, each Lemur Island's Iguana and each Wolf Woods's Snake. The number of each Anteater Area's Snake equals each Anteater Area's Tortoise. The number of each Wolf Woods's Turtle equals 2 times as much as each Anteater Area's Tortoise. The number of each Anteater Area's Iguana equals each Bat Cave's Snake. The number of each Bat Cave's Tortoise equals 12. The number of each Lemur Island's Tortoise equals the difference of each Bat Cave's Iguana and each Lemur Island's Snake. The number of each Anteater Area's Tortoise equals 10 times as much as each Anteater Area's Turtle. How many Tortoise does Lemur Island have?

Define Bat Cave's Animal as BACK. Define Wolf Woods's Turtle as BACK. Define Lemur Island's Snake as u; so u = 9. Define Lemur Island's Tortoise as BACK. Define Bat Cave's Turtle as BACK. Define Anteater Area's Turtle as BACK. Define Anteater Area's Animal as BACK. Define Wolf Woods's Turtle as BACK. Define Wolf Woods's Tortoise as c; so c = 21 * u = 21 * 9 = 5. Define Anteater Area's Turtle as Y; so Y = c = 5. Define Anteater Area's Animal as BACK. Define Anteater Area's Tortoise as g; so g = 10 * Y = 10 * 5 = 4. Define Wolf Woods's Turtle as b; so b = 2 * g = 2 * 4 = 8. Define Bat Cave's Animal as BACK. Define Bat Cave's Iguana as S; so S = b = 8. Define Lemur Island's Tortoise as t; so t = S - u = 8 - 9 = 22.

22

hard

The number of each Picnic Backpack's Oil Pastel equals 9. The number of each Fashion Backpack's Calligraphy Pen equals 22 times as much as each Picnic Backpack's Oil Pastel. The number of each Tactical Backpack's Pastel equals 19. The number of each Tactical Backpack's Oil Pastel equals each Tactical Backpack's Pastel. The number of each Tactical Backpack's Calligraphy Pen equals each Picnic Backpack's Oil Pastel. The number of each Fashion Backpack's Oil Pastel equals 21. The number of each Fashion Backpack's Pastel equals each Tactical Backpack's Calligraphy Pen. The number of each Picnic Backpack's Calligraphy Pen equals each Tactical Backpack's Pastel. The number of each Picnic Backpack's Pastel equals 16 times as much as the difference of each Tactical Backpack's Pastel and each Fashion Backpack's Oil Pastel. How many Pastel does Tactical Backpack have?

Define Fashion Backpack's Pastel as BACK. Define Picnic Backpack's Pastel as BACK. Define Tactical Backpack's Stationery as BACK. Define Tactical Backpack's Pastel as E; so E = 19.

19

med

The number of each Hippopotamus's Cardia equals each Gorilla's Pharynx. The number of each Hippopotamus's Stomach equals the sum of each Gorilla's Cardia, each Gorilla's Pharynx and each Hippopotamus's Cardia. The number of each Cheetah's Salivary Glands equals 18 more than each Gorilla's Salivary Glands. The number of each Moose's Cardia equals 2 more than each Gorilla's Pharynx. The number of each Gorilla's Salivary Glands equals 13. The number of each Gorilla's Pharynx equals 22. The number of each Cheetah's Cardia equals each Moose's Organs. The number of each Gorilla's Cardia equals the sum of each Hippopotamus's Cardia and each Gorilla's Pharynx. How many Cardia does Gorilla have?

Define Hippopotamus's Stomach as BACK. Define Gorilla's Cardia as BACK. Define Gorilla's Pharynx as b; so b = 22. Define Gorilla's Organs as BACK. Define Hippopotamus's Cardia as W; so W = b = 22. Define Gorilla's Cardia as u; so u = W + b = 22 + 22 = 21.

21

med

The number of each Kelp Forest's Dragonfly equals 10 times as much as each Dragonfly's Patella. The number of each Salt Marsh's Kingfisher equals 8. The number of each River Ecosystem's Flamingo equals each Dragonfly's Femur. The number of each Dragonfly's Hamstrings equals the sum of each Coral Reef's Swan and each Kelp Forest's Dragonfly. The number of each Swan's Hamstrings equals each Salt Marsh's Organs. The number of each Kingfisher's Shoulder Joint equals 19 more than the sum of each Dragonfly's Hamstrings, each Dragonfly's Patella and each Coral Reef's Swan. The number of each Dragonfly's Femur equals 9. The number of each Coral Reef's Swan equals 7 times as much as each Kelp Forest's Dragonfly. The number of each Dragonfly's Patella equals 18. How many Hamstrings does Swan have?

Define Dragonfly's Patella as I; so I = 18. Define Kelp Forest's Dragonfly as h; so h = 10 * I = 10 * 18 = 19. Define Salt Marsh's Organs as BACK. Define Coral Reef's Swan as O; so O = 7 * h = 7 * 19 = 18. Define Dragonfly's Hamstrings as L; so L = O + h = 18 + 19 = 14. Define Salt Marsh's Organs as BACK. Define Kingfisher's Shoulder Joint as K; i = L + I = 14 + 18 = 9; n = i + O = 9 + 18 = 4; so K = 19 + n = 19 + 4 = 0. Define Salt Marsh's Kingfisher as T; so T = 8. Define Swan's Organs as BACK. Define Coral Reef's Organs as BACK. Define Dragonfly's Organs as BACK. Define Kingfisher's Organs as A; so A = K = 0. Define Salt Marsh's Organs as r; so r = T * A = 8 * 0 = 0. Define Swan's Hamstrings as E; so E = r = 0.

0

med

The number of each Condominium's Google Express equals 8. The number of each Suburb's Google Express equals each Suburb's Peapod. The number of each Suburb's Peapod equals 11 times as much as each Condominium's Google Express. The number of each Suburb's Sun Basket equals 9 more than each Suburb's Google Express. The number of each Suburb's Grofers equals each Suburb's Google Express. The number of each Condominium's Grofers equals the sum of each Condominium's Peapod, each Suburb's Sun Basket, each Suburb's Google Express and each Suburb's Peapod. The number of each Condominium's Peapod equals each Suburb's Supermarket. How many Grofers does Condominium have?

Define Condominium's Google Express as F; so F = 8. Define Suburb's Peapod as C; so C = 11 * F = 11 * 8 = 19. Define Suburb's Google Express as m; so m = C = 19. Define Suburb's Grofers as r; so r = m = 19. Define Condominium's Supermarket as BACK. Define Suburb's Supermarket as BACK. Define Suburb's Sun Basket as t; so t = 9 + m = 9 + 19 = 5. Define Condominium's Grofers as BACK. Define Suburb's Supermarket as g; i = t + r = 5 + 19 = 1; V = i + C = 1 + 19 = 20; so g = V + m = 20 + 19 = 16. Define Condominium's Peapod as Y; so Y = g = 16. Define Condominium's Grofers as j; b = Y + t = 16 + 5 = 21; h = b + m = 21 + 19 = 17; so j = h + C = 17 + 19 = 13.

13

hard

The number of each Printed Backpack's Correction Tape equals each Student Rucksack's Calculator. The number of each Printed Backpack's Push Pins equals 12 times as much as the difference of each Printed Backpack's Paper Clip and each Waterproof School Backpack's Calculator. The number of each Waterproof School Backpack's Push Pins equals 9 more than the sum of each School Daypack's Push Pins, each School Daypack's Calculator and each Student Rucksack's Calculator. The number of each Waterproof School Backpack's Calculator equals 1. The number of each School Daypack's Correction Tape equals 1. The number of each Printed Backpack's Calculator equals 22. The number of each Waterproof School Backpack's Paper Clip equals the sum of each School Daypack's Push Pins, each School Daypack's Correction Tape, each Waterproof School Backpack's Calculator and each Printed Backpack's Stationery. The number of each School Daypack's Push Pins equals the difference of each Printed Backpack's Calculator and each Printed Backpack's Correction Tape. The number of each Waterproof School Backpack's Correction Tape equals the sum of each Student Rucksack's Calculator, each Student Rucksack's Push Pins and each Printed Backpack's Calculator. The number of each School Daypack's Calculator equals 18. The number of each Student Rucksack's Push Pins equals each Student Rucksack's Calculator. The number of each Student Rucksack's Correction Tape equals 8 times as much as the sum of each School Daypack's Calculator and each Printed Backpack's Calculator. The number of each Printed Backpack's Paper Clip equals 5 more than each Waterproof School Backpack's Calculator. The number of each Student Rucksack's Calculator equals 14 more than the difference of each Printed Backpack's Calculator and each School Daypack's Calculator. How many Push Pins does Printed Backpack have?

Define Waterproof School Backpack's Calculator as I; so I = 1. Define Printed Backpack's Paper Clip as U; so U = 5 + I = 5 + 1 = 6. Define Printed Backpack's Push Pins as A; m = U - I = 6 - 1 = 5; so A = 12 * m = 12 * 5 = 14.

14

med

The number of each Salamander's Caudal Vertebrae 1 equals 5 times as much as the sum of each Salamander's Caudal Vertebrae 7, each Salamander's Caudal Vertebrae 3 and each Caecilian's Caudal Vertebrae 3. The number of each Pacman Frog's Caudal Vertebrae 3 equals 22. The number of each Caecilian's Caudal Vertebrae 1 equals 6 more than each Caecilian's Caudal Vertebrae 3. The number of each Pacman Frog's Caudal Vertebrae 7 equals each Caecilian's Caudal Vertebrae 1. The number of each Salamander's Caudal Vertebrae 7 equals 18. The number of each Caecilian's Caudal Vertebrae 3 equals 18. The number of each Salamander's Caudal Vertebrae 3 equals 15 more than the sum of each Caecilian's Caudal Vertebrae 1, each Caecilian's Caudal Vertebrae 3 and each Pacman Frog's Caudal Vertebrae 7. The number of each Pacman Frog's Caudal Vertebrae 1 equals the sum of each Caecilian's Caudal Vertebrae 1 and each Pacman Frog's Caudal Vertebrae 3. The number of each Caecilian's Caudal Vertebrae 7 equals 18. How many Caudal Vertebrae 7 does Pacman Frog have?

Define Salamander's Caudal Vertebrae 1 as BACK. Define Caecilian's Caudal Vertebrae 3 as H; so H = 18. Define Salamander's Bone as BACK. Define Salamander's Caudal Vertebrae 3 as BACK. Define Caecilian's Bone as BACK. Define Pacman Frog's Caudal Vertebrae 7 as BACK. Define Pacman Frog's Bone as BACK. Define Pacman Frog's Caudal Vertebrae 1 as BACK. Define Salamander's Caudal Vertebrae 1 as BACK. Define Caecilian's Caudal Vertebrae 1 as n; so n = 6 + H = 6 + 18 = 1. Define Salamander's Caudal Vertebrae 1 as BACK. Define Pacman Frog's Caudal Vertebrae 7 as Z; so Z = n = 1.

1

med

The number of each Westwood High's Basketball Court equals each Liberty High's Stationery. The number of each Westwood High's Golf Practice Area equals 7 more than each Liberty High's Backpack. The number of each Golf Practice Area's Athletic Backpack equals 20 times as much as the difference of each Westwood High's Golf Practice Area and each Liberty High's Backpack. The number of each Messenger Backpack's Clip Board equals 3. The number of each Messenger Backpack's Receipt Organizer equals 19 more than the sum of each Liberty High's Backpack and each Westwood High's Basketball Court. The number of each Golf Practice Area's Messenger Backpack equals 3. The number of each Athletic Backpack's Box File equals 14 more than each Golf Practice Area's Messenger Backpack. How many Athletic Backpack does Golf Practice Area have?

Define Golf Practice Area's Backpack as BACK. Define Messenger Backpack's Receipt Organizer as BACK. Define Westwood High's Golf Practice Area as BACK. Define Liberty High's Backpack as z; so z = 0. Define Golf Practice Area's Stationery as BACK. Define Westwood High's Golf Practice Area as t; so t = 7 + z = 7 + 0 = 7. Define Westwood High's Classroom as BACK. Define Golf Practice Area's Athletic Backpack as e; x = t - z = 7 - 0 = 7; so e = 20 * x = 20 * 7 = 2.

2

hard

The number of each Koala's Radial Carpal equals 0. The number of each Gecko Greenhouse's Koala equals 6. The number of each Deer's Intermediate Carpal equals 2 times as much as the sum of each Gecko Greenhouse's Cheetah, each Koala's Radial Carpal and each Deer's Metacarpal III. The number of each Gecko Greenhouse's Deer equals 9 more than each Koala's Radial Carpal. The number of each Deer's Metacarpal III equals 7 more than each Anaconda Exhibit's Deer. The number of each Cheetah's Metacarpal III equals 20. The number of each Deer's Metacarpal II equals 22 times as much as the sum of each Koala's Radial Carpal, each Gecko Greenhouse's Deer and each Gecko Greenhouse's Tiger. The number of each Salamander Stream's Cheetah equals each Gecko Greenhouse's Koala. The number of each Tiger's Radial Carpal equals 13 times as much as the sum of each Koala's Radial Carpal, each Cheetah's Metacarpal III and each Deer's Metacarpal III. The number of each Chameleon Cage's Koala equals each Deer's Metacarpal III. The number of each Gecko Greenhouse's Tiger equals 4 more than each Koala's Radial Carpal. The number of each Gecko Greenhouse's Cheetah equals the sum of each Salamander Stream's Animal and each Salamander Stream's Bone. The number of each Anaconda Exhibit's Deer equals 12 times as much as the sum of each Salamander Stream's Cheetah and each Gecko Greenhouse's Koala. How many Koala does Chameleon Cage have?

Define Deer's Metacarpal II as BACK. Define Gecko Greenhouse's Koala as X; so X = 6. Define Salamander Stream's Cheetah as K; so K = X = 6. Define Anaconda Exhibit's Deer as y; x = K + X = 6 + 6 = 12; so y = 12 * x = 12 * 12 = 6. Define Deer's Metacarpal III as a; so a = 7 + y = 7 + 6 = 13. Define Chameleon Cage's Koala as N; so N = a = 13.

13

med

The number of each African Elephant's Hypothalamus equals 0. The number of each Leopard's Amygdala equals the difference of each Chimpanzee's Organs and each African Elephant's Cranial Nerves. The number of each African Elephant's Cranial Nerves equals each Chimpanzee's Organs. The number of each Chimpanzee's Cranial Nerves equals 11. How many Cranial Nerves does Chimpanzee have?

Define Chimpanzee's Cranial Nerves as l; so l = 11.

11

med

The number of each Hummingbird's Pelvis equals each Pigeon's Hamstrings. The number of each Pigeon's Spine equals 22. The number of each Hamstrings's Stromal Cells equals each Peregrine Falcon's Spine. The number of each Peacock's Spine equals 4 more than each Deltoid's Cells. The number of each Deltoid's Stromal Cells equals 19 more than each Hamstrings's Ligament Cells. The number of each Peacock's Deltoid equals the difference of each Pigeon's Spine and each Peregrine Falcon's Spine. The number of each Pelvis's Keratinocytes equals each Hamstrings's Stromal Cells. The number of each Pigeon's Hamstrings equals the sum of each Deltoid's Stromal Cells, each Spine's Keratinocytes and each Hamstrings's Stromal Cells. The number of each Spine's Keratinocytes equals 22 more than the difference of each Peregrine Falcon's Pelvis and each Pigeon's Spine. The number of each Hamstrings's Ligament Cells equals each Pigeon's Spine. The number of each Peregrine Falcon's Pelvis equals 19 more than the difference of each Deltoid's Cells and each Hamstrings's Ligament Cells. The number of each Peregrine Falcon's Spine equals 10. The number of each Hamstrings's Pericytes of Blood Vessels equals the difference of each Peacock's Cells and each Spine's Cells. How many Keratinocytes does Spine have?

Define Hummingbird's Pelvis as BACK. Define Pigeon's Spine as R; so R = 22. Define Hamstrings's Ligament Cells as c; so c = R = 22. Define Deltoid's Stromal Cells as B; so B = 19 + c = 19 + 22 = 18. Define Hummingbird's Cells as BACK. Define Pelvis's Keratinocytes as BACK. Define Deltoid's Cells as E; so E = B = 18. Define Pelvis's Cells as BACK. Define Peregrine Falcon's Pelvis as L; n = E - c = 18 - 22 = 19; so L = 19 + n = 19 + 19 = 15. Define Spine's Keratinocytes as m; Q = L - R = 15 - 22 = 16; so m = 22 + Q = 22 + 16 = 15.

15

hard

The number of each Moray Eel's Chambers of the Heart equals 22. The number of each Bukhansan National Park in Seoul's Moray Eel equals 7. The number of each Hampstead Heath in London's Moray Eel equals the difference of each Bukhansan National Park in Seoul's Sea Urchin and each Moray Eel's Pulmonary Arteries. The number of each Moray Eel's Pulmonary Arteries equals the sum of each Sea Urchin's Organs and each Sea Urchin's Pulmonary Arteries. The number of each Hampstead Heath in London's Sea Urchin equals 21. The number of each Sea Urchin's Pulmonary Arteries equals each Bukhansan National Park in Seoul's Sea Urchin. The number of each Sea Urchin's Chambers of the Heart equals 1 times as much as each Bukhansan National Park in Seoul's Creatures. The number of each Bukhansan National Park in Seoul's Sea Urchin equals 16 more than each Bukhansan National Park in Seoul's Moray Eel. How many Organs does Moray Eel have?

Define Bukhansan National Park in Seoul's Moray Eel as l; so l = 7. Define Bukhansan National Park in Seoul's Sea Urchin as K; so K = 16 + l = 16 + 7 = 0. Define Bukhansan National Park in Seoul's Creatures as v; so v = l + K = 7 + 0 = 7. Define Sea Urchin's Pulmonary Arteries as U; so U = K = 0. Define Sea Urchin's Chambers of the Heart as e; so e = 1 * v = 1 * 7 = 7. Define Moray Eel's Pulmonary Arteries as BACK. Define Sea Urchin's Organs as A; so A = e + U = 7 + 0 = 7. Define Moray Eel's Pulmonary Arteries as g; so g = A + U = 7 + 0 = 7. Define Bukhansan National Park in Seoul's Organs as BACK. Define Hampstead Heath in London's Organs as BACK. Define Moray Eel's Chambers of the Heart as z; so z = 22. Define Moray Eel's Organs as q; so q = z + g = 22 + 7 = 6.

6

med

The number of each Otter Pool's Tuna equals 12 more than the sum of each National Aquarium's Bat Cave, each The Living Seas's Lemur Island and each The Living Seas's Otter Pool. The number of each Bat Cave's Halibut equals 22. The number of each The Living Seas's Hippopotamus Tank equals 10. The number of each National Aquarium's Hippopotamus Tank equals the sum of each The Living Seas's Lemur Island and each Otter Pool's Tuna. The number of each Hippopotamus Tank's Salmon equals each Bat Cave's Tuna. The number of each Bat Cave's Salmon equals the sum of each National Aquarium's Otter Pool and each Bat Cave's Tuna. The number of each The Living Seas's Lemur Island equals each National Aquarium's Otter Pool. The number of each Otter Pool's Salmon equals 1. The number of each Dallas World Aquarium's Bat Cave equals the difference of each Hippopotamus Tank's Salmon and each Bat Cave's Tuna. The number of each National Aquarium's Lemur Island equals each Dallas World Aquarium's Enclosure. The number of each Bat Cave's Tuna equals each Otter Pool's Halibut. The number of each National Aquarium's Bat Cave equals the difference of each National Aquarium's Otter Pool and each The Living Seas's Otter Pool. The number of each National Aquarium's Otter Pool equals 4. The number of each Otter Pool's Halibut equals 12. The number of each The Living Seas's Otter Pool equals 16 more than each National Aquarium's Otter Pool. How many Lemur Island does National Aquarium have?

Define Dallas World Aquarium's Bat Cave as BACK. Define Dallas World Aquarium's Enclosure as BACK. Define Bat Cave's Tuna as BACK. Define Hippopotamus Tank's Animal as BACK. Define National Aquarium's Animal as BACK. Define Bat Cave's Salmon as BACK. Define National Aquarium's Lemur Island as BACK. Define Otter Pool's Halibut as n; so n = 12. Define Dallas World Aquarium's Enclosure as BACK. Define Bat Cave's Tuna as b; so b = n = 12. Define Hippopotamus Tank's Salmon as k; so k = b = 12. Define The Living Seas's Otter Pool as BACK. Define Dallas World Aquarium's Bat Cave as I; so I = k - b = 12 - 12 = 0. Define Dallas World Aquarium's Enclosure as x; so x = I = 0. Define National Aquarium's Lemur Island as r; so r = x = 0.

0

med

The number of each Quarters's Marc's equals the difference of each Marc's's Fruit Snacks and each Marc's's Product. The number of each Marc's's Fruit Snacks equals 13. The number of each Old Fortress's Price Chopper equals 8. The number of each Price Chopper's Salsa equals 0 more than each Old Town's Product. The number of each WinCo Foods's Dried Fruit equals each Old Town's Supermarket. The number of each Fiesta Foods's Pretzels equals each Cultural Landscape's Product. The number of each Price Chopper's Fruit Snacks equals 7. The number of each Price Chopper's Pretzels equals each Price Chopper's Fruit Snacks. The number of each Old Town's Fiesta Foods equals the sum of each Quarters's Product and each Quarters's Marc's. The number of each Cultural Landscape's WinCo Foods equals the sum of each WinCo Foods's Product and each Quarters's Product. How many Salsa does Price Chopper have?

Define Marc's's Fruit Snacks as Z; so Z = 13. Define Price Chopper's Pretzels as BACK. Define Marc's's Product as y; so y = Z = 13. Define Quarters's Marc's as S; so S = Z - y = 13 - 13 = 0. Define WinCo Foods's Product as BACK. Define Quarters's Product as Q; so Q = S * y = 0 * 13 = 0. Define Old Town's Fiesta Foods as a; so a = Q + S = 0 + 0 = 0. Define Old Fortress's Supermarket as BACK. Define Fiesta Foods's Product as BACK. Define Old Town's Supermarket as r; so r = a = 0. Define Fiesta Foods's Product as BACK. Define WinCo Foods's Dried Fruit as g; so g = r = 0. Define WinCo Foods's Product as U; so U = g = 0. Define Fiesta Foods's Product as BACK. Define Cultural Landscape's WinCo Foods as k; so k = U + Q = 0 + 0 = 0. Define Price Chopper's Pretzels as BACK. Define Price Chopper's Salsa as BACK. Define Fiesta Foods's Pretzels as BACK. Define Fiesta Foods's Product as BACK. Define Cultural Landscape's Product as L; so L = k * U = 0 * 0 = 0. Define Fiesta Foods's Pretzels as E; so E = L = 0. Define Fiesta Foods's Product as u; so u = E = 0. Define Price Chopper's Product as BACK. Define Old Town's Product as R; so R = a * u = 0 * 0 = 0. Define Old Fortress's Supermarket as BACK. Define Price Chopper's Salsa as j; so j = 0 + R = 0 + 0 = 0.

0

med

The number of each Seaview University's Public Relations Studio equals 10 times as much as each Starlight University's Public Relations Studio. The number of each Seaview University's Counseling Room equals 7 more than each Sociology Lab's Printed Backpack. The number of each Counseling Room's Two-Strap Backpack equals 4 more than the sum of each Seaview University's Sociology Lab and each Counseling Room's Scholar Backpack. The number of each Counseling Room's Scholar Backpack equals each Seaview University's Sociology Lab. The number of each Starlight University's Public Relations Studio equals the sum of each Counseling Room's Backpack, each Skyview University's Public Relations Studio and each Counseling Room's Scholar Backpack. The number of each Public Relations Studio's Scholar Backpack equals each Sociology Lab's Printed Backpack. The number of each Sociology Lab's Printed Backpack equals 7. The number of each Skyview University's Public Relations Studio equals each Sociology Lab's Printed Backpack. The number of each Seaview University's Sociology Lab equals 20. The number of each Starlight University's Counseling Room equals 14 more than the difference of each Public Relations Studio's Scholar Backpack and each Sociology Lab's Printed Backpack. The number of each Public Relations Studio's Printed Backpack equals each Public Relations Studio's Scholar Backpack. How many Backpack does Counseling Room have?

Define Skyview University's Classroom as BACK. Define Seaview University's Public Relations Studio as BACK. Define Seaview University's Sociology Lab as x; so x = 20. Define Counseling Room's Scholar Backpack as I; so I = x = 20. Define Seaview University's Classroom as BACK. Define Starlight University's Classroom as BACK. Define Counseling Room's Two-Strap Backpack as e; t = x + I = 20 + 20 = 17; so e = 4 + t = 4 + 17 = 21. Define Skyview University's Public Relations Studio as BACK. Define Counseling Room's Backpack as Y; so Y = e + I = 21 + 20 = 18.

18

med

The number of each Sloth's Stomach equals 22. The number of each Ileum's Monocytes equals 22 times as much as the sum of each Jejunum's Natural Killer Cells and each African Elephant's Organs. The number of each Sloth's Jejunum equals 2. The number of each Stomach's Myeloblasts equals 8 more than the sum of each African Elephant's Organs and each Ileum's Cells. The number of each Sloth's Ileum equals 17. The number of each Jejunum's Natural Killer Cells equals each African Elephant's Organs. How many Monocytes does Ileum have?

Define African Elephant's Organs as f; so f = 0. Define Jejunum's Natural Killer Cells as D; so D = f = 0. Define Stomach's Myeloblasts as BACK. Define Stomach's Cells as BACK. Define Ileum's Cells as BACK. Define Sloth's Organs as BACK. Define Sloth's Cells as BACK. Define Ileum's Monocytes as J; Z = D + f = 0 + 0 = 0; so J = 22 * Z = 22 * 0 = 0.

0

med

The number of each Alpine Grassland's Cerberus equals the sum of each Alpine Grassland's Minotaur, each Vampire's Pleural Cavity and each Minotaur's Organs. The number of each Cerberus's Respiratory Mucosa equals each Minotaur's Organs. The number of each Vampire's Pleural Cavity equals 21. The number of each Temperate Grassland's Minotaur equals 7 times as much as each Cerberus's Organs. The number of each Temperate Grassland's Cerberus equals 7. The number of each Pampas's Vampire equals each Alpine Grassland's Minotaur. The number of each Vampire's Trachea equals 20. The number of each Alpine Grassland's Minotaur equals 13. How many Minotaur does Alpine Grassland have?

Define Alpine Grassland's Cerberus as BACK. Define Pampas's Vampire as BACK. Define Vampire's Organs as BACK. Define Alpine Grassland's Minotaur as N; so N = 13.

13

med

The number of each Publix's Pastries equals 18 times as much as each BJ's Wholesale Club's Tortillas. The number of each BJ's Wholesale Club's Tortillas equals 17. The number of each Safeway's Tortillas equals each BJ's Wholesale Club's Donuts. The number of each Safeway's Pastries equals 11 more than each BJ's Wholesale Club's Tortillas. The number of each Wegmans's Pastries equals each BJ's Wholesale Club's Tortillas. The number of each Wegmans's Donuts equals 19. The number of each Publix's Cookies equals 7 more than each BJ's Wholesale Club's Tortillas. The number of each BJ's Wholesale Club's Donuts equals each Wegmans's Donuts. How many Donuts does BJ's Wholesale Club have?

Define Publix's Product as BACK. Define Safeway's Product as BACK. Define Safeway's Pastries as BACK. Define Safeway's Tortillas as BACK. Define Wegmans's Donuts as y; so y = 19. Define Safeway's Tortillas as BACK. Define Publix's Cookies as BACK. Define BJ's Wholesale Club's Donuts as n; so n = y = 19.

19

med

The number of each Zebra's Metacarpal II equals 6 more than the difference of each Zebra's Accessory Carpal and each Cheetah's Metacarpal II. The number of each Cheetah's Metacarpal II equals 0 more than each Zebra's Accessory Carpal. The number of each Cheetah's Accessory Carpal equals 10 times as much as the sum of each Zebra's Bone and each Cheetah's Metacarpal II. The number of each Zebra's Accessory Carpal equals 21. How many Bone does Cheetah have?

Define Zebra's Accessory Carpal as j; so j = 21. Define Cheetah's Metacarpal II as o; so o = 0 + j = 0 + 21 = 21. Define Zebra's Bone as BACK. Define Zebra's Metacarpal II as U; X = j - o = 21 - 21 = 0; so U = 6 + X = 6 + 0 = 6. Define Zebra's Bone as T; so T = U + j = 6 + 21 = 4. Define Cheetah's Accessory Carpal as P; f = T + o = 4 + 21 = 2; so P = 10 * f = 10 * 2 = 20. Define Cheetah's Bone as e; so e = o + P = 21 + 20 = 18.

18

hard

The number of each Pinnacle Peak University's Differential Equations Classroom equals 15. The number of each Differential Equations Classroom's Shoe Compartment Backpack equals 0 more than each Differential Equations Classroom's Running Backpack. The number of each Running Backpack's Binder Clip equals each Pinnacle Peak University's Differential Equations Classroom. The number of each Meadowland University's Engineering Workshop equals the sum of each Running Backpack's Hole Puncher, each Pinnacle Peak University's Engineering Workshop and each Shoe Compartment Backpack's Hole Puncher. The number of each Running Backpack's Hole Puncher equals 16. The number of each Meadowland University's Differential Equations Classroom equals the sum of each Differential Equations Classroom's Shoe Compartment Backpack, each Shoe Compartment Backpack's Binder Clip, each Shoe Compartment Backpack's Stationery and each Engineering Workshop's Running Backpack. The number of each Shoe Compartment Backpack's Binder Clip equals each Pinnacle Peak University's Backpack. The number of each Shoe Compartment Backpack's Hole Puncher equals 6 times as much as the sum of each Pinnacle Peak University's Differential Equations Classroom, each Pinnacle Peak University's Engineering Workshop and each Running Backpack's Binder Clip. The number of each Engineering Workshop's Shoe Compartment Backpack equals 21. The number of each Differential Equations Classroom's Running Backpack equals 14. The number of each Pinnacle Peak University's Engineering Workshop equals 20 times as much as each Pinnacle Peak University's Differential Equations Classroom. The number of each Engineering Workshop's Running Backpack equals 18 more than each Pinnacle Peak University's Differential Equations Classroom. How many Backpack does Differential Equations Classroom have?

Define Differential Equations Classroom's Running Backpack as U; so U = 14. Define Meadowland University's Engineering Workshop as BACK. Define Differential Equations Classroom's Backpack as BACK. Define Differential Equations Classroom's Shoe Compartment Backpack as j; so j = 0 + U = 0 + 14 = 14. Define Meadowland University's Engineering Workshop as BACK. Define Running Backpack's Stationery as BACK. Define Meadowland University's Stationery as BACK. Define Differential Equations Classroom's Backpack as Y; so Y = U + j = 14 + 14 = 5.

5

hard

The number of each Flooded Grassland's Kangaroo equals 14. The number of each Veldt's Kangaroo equals each Flooded Grassland's Creatures. The number of each Flooded Grassland's Leopard equals 18 more than each Flooded Grassland's Kangaroo. The number of each Veldt's Leopard equals the sum of each Flooded Grassland's Leopard and each Flooded Grassland's Kangaroo. How many Creatures does Veldt have?

Define Flooded Grassland's Leopard as BACK. Define Flooded Grassland's Kangaroo as d; so d = 14. Define Flooded Grassland's Leopard as F; so F = 18 + d = 18 + 14 = 9. Define Flooded Grassland's Creatures as j; so j = d + F = 14 + 9 = 0. Define Veldt's Creatures as BACK. Define Veldt's Kangaroo as J; so J = j = 0. Define Veldt's Creatures as BACK. Define Veldt's Leopard as z; so z = F + d = 9 + 14 = 0. Define Veldt's Creatures as f; so f = J + z = 0 + 0 = 0.

0

hard

The number of each Carina's Thalamic Neurons equals 17. The number of each Subtropical Rainforest's Trichomonas equals 1. The number of each Trichomonas's Diaphragm equals the difference of each Tardigrade's Diaphragm and each Subtropical Rainforest's Paramecium. The number of each Diaphragm's Thalamic Neurons equals 5 more than each Carina's Thalamic Neurons. The number of each Paramecium's Carina equals 10. The number of each Subtropical Rainforest's Tardigrade equals 18. The number of each Paramecium's Nasal Cavity equals 1 times as much as the difference of each Tropical Rainforest's Creatures and each Tropical Rainforest's Trichomonas. The number of each Tropical Rainforest's Paramecium equals 18. The number of each Mixed Forest's Tardigrade equals 1 more than each Carina's Thalamic Neurons. The number of each Tardigrade's Carina equals the sum of each Subtropical Rainforest's Tardigrade and each Carina's Thalamic Neurons. The number of each Tardigrade's Diaphragm equals the difference of each Nasal Cavity's Schwann Cells and each Subtropical Rainforest's Paramecium. The number of each Trichomonas's Carina equals the sum of each Nasal Cavity's Schwann Cells and each Subtropical Rainforest's Paramecium. The number of each Subtropical Rainforest's Paramecium equals each Tropical Rainforest's Paramecium. The number of each Diaphragm's Schwann Cells equals the difference of each Carina's Cells and each Subtropical Rainforest's Tardigrade. The number of each Tropical Rainforest's Trichomonas equals each Carina's Thalamic Neurons. The number of each Nasal Cavity's Spinal Cord Neurons equals 20. The number of each Carina's Spinal Cord Neurons equals the difference of each Mixed Forest's Tardigrade and each Nasal Cavity's Cells. The number of each Nasal Cavity's Schwann Cells equals each Subtropical Rainforest's Paramecium. How many Diaphragm does Trichomonas have?

Define Tropical Rainforest's Paramecium as m; so m = 18. Define Subtropical Rainforest's Cells as BACK. Define Subtropical Rainforest's Paramecium as l; so l = m = 18. Define Nasal Cavity's Schwann Cells as C; so C = l = 18. Define Diaphragm's Cells as BACK. Define Tardigrade's Organs as BACK. Define Tropical Rainforest's Organs as BACK. Define Tardigrade's Diaphragm as D; so D = C - l = 18 - 18 = 0. Define Tropical Rainforest's Cells as BACK. Define Trichomonas's Cells as BACK. Define Trichomonas's Diaphragm as f; so f = D - l = 0 - 18 = 5.

5

hard

The number of each Canned Beans's Salami equals 13. The number of each Canned Beef's Duck Confit equals 8. The number of each Canned Beans's Duck Confit equals 8. The number of each Canned Beef's Salami equals 3. How many Salami does Canned Beans have?

Define Canned Beef's Ingredient as BACK. Define Canned Beans's Salami as o; so o = 13.

13

hard

The number of each Rockpool Exhibit's Anchovy equals each Dolphin Lagoon's Anchovy. The number of each Insectarium de Montréal's Rockpool Exhibit equals each Cod's Bone. The number of each Insectarium of Denver's Dolphin Lagoon equals each Dolphin Lagoon's Cod. The number of each Dolphin Lagoon's Anchovy equals 0. The number of each Dolphin Lagoon's Cod equals 6 more than the sum of each Rockpool Exhibit's Anchovy and each Dolphin Lagoon's Anchovy. The number of each Anchovy's Accessory Carpal equals 19 more than the difference of each Dolphin Lagoon's Cod and each Rockpool Exhibit's Anchovy. The number of each Cod's Accessory Carpal equals each Dolphin Lagoon's Anchovy. The number of each Insectarium de Montréal's Dolphin Lagoon equals 13 more than each Dolphin Lagoon's Anchovy. The number of each Rockpool Exhibit's Cod equals each Rockpool Exhibit's Anchovy. The number of each Cod's Ulnar Carpal equals the difference of each Anchovy's Accessory Carpal and each Dolphin Lagoon's Anchovy. How many Enclosure does Insectarium de Montréal have?

Define Insectarium of Denver's Dolphin Lagoon as BACK. Define Insectarium of Denver's Bone as BACK. Define Dolphin Lagoon's Anchovy as F; so F = 0. Define Insectarium of Denver's Bone as BACK. Define Insectarium of Denver's Animal as BACK. Define Cod's Ulnar Carpal as BACK. Define Rockpool Exhibit's Anchovy as o; so o = F = 0. Define Insectarium of Denver's Animal as BACK. Define Insectarium de Montréal's Animal as BACK. Define Dolphin Lagoon's Cod as W; l = o + F = 0 + 0 = 0; so W = 6 + l = 6 + 0 = 6. Define Anchovy's Accessory Carpal as M; Y = W - o = 6 - 0 = 6; so M = 19 + Y = 19 + 6 = 2. Define Cod's Ulnar Carpal as e; so e = M - F = 2 - 0 = 2. Define Cod's Accessory Carpal as N; so N = F = 0. Define Cod's Bone as c; so c = e + N = 2 + 0 = 2. Define Insectarium de Montréal's Rockpool Exhibit as L; so L = c = 2. Define Insectarium de Montréal's Bone as BACK. Define Dolphin Lagoon's Bone as BACK. Define Insectarium de Montréal's Dolphin Lagoon as h; so h = 13 + F = 13 + 0 = 13. Define Insectarium de Montréal's Enclosure as K; so K = h + L = 13 + 2 = 15.

15

hard

The number of each Flamingo's Carpometacarpus equals each Falcon's Carpometacarpus. The number of each Flamingo's Coracoid equals each Flamingo's Distal Phalanges. The number of each Flamingo's Distal Phalanges equals each Falcon's Coracoid. The number of each Falcon's Distal Phalanges equals 2. The number of each Peacock's Distal Phalanges equals 20 more than the difference of each Flamingo's Carpometacarpus and each Falcon's Carpometacarpus. The number of each Falcon's Carpometacarpus equals each Peacock's Carpometacarpus. The number of each Falcon's Coracoid equals the sum of each Peacock's Distal Phalanges and each Flamingo's Carpometacarpus. The number of each Peacock's Carpometacarpus equals 11. The number of each Peacock's Coracoid equals 13. How many Coracoid does Flamingo have?

Define Flamingo's Carpometacarpus as BACK. Define Peacock's Distal Phalanges as BACK. Define Falcon's Bone as BACK. Define Flamingo's Coracoid as BACK. Define Peacock's Carpometacarpus as e; so e = 11. Define Peacock's Distal Phalanges as BACK. Define Falcon's Carpometacarpus as N; so N = e = 11. Define Flamingo's Carpometacarpus as c; so c = N = 11. Define Flamingo's Bone as BACK. Define Peacock's Distal Phalanges as b; J = c - N = 11 - 11 = 0; so b = 20 + J = 20 + 0 = 20. Define Flamingo's Bone as BACK. Define Peacock's Bone as BACK. Define Falcon's Coracoid as U; so U = b + c = 20 + 11 = 8. Define Falcon's Bone as BACK. Define Flamingo's Distal Phalanges as z; so z = U = 8. Define Peacock's Bone as BACK. Define Flamingo's Coracoid as m; so m = z = 8.

8

med

The number of each Buford Highway Farmers Market's Parmesan Cheese equals each Mitsuwa Marketplace's Cheese. The number of each Parmesan Cheese's Sweet Corn equals each Cheese's Spinach. The number of each Cheese's Spinach equals each Parmesan Cheese's Spinach. The number of each Mitsuwa Marketplace's Parmesan Cheese equals 22. The number of each Mitsuwa Marketplace's Cheese equals 0. The number of each Cheese's Sweet Corn equals the sum of each Mitsuwa Marketplace's Cheese and each Parmesan Cheese's Spinach. The number of each Buford Highway Farmers Market's Cheese equals 0. The number of each Parmesan Cheese's Spinach equals 20 more than each Mitsuwa Marketplace's Cheese. How many Cheese does Buford Highway Farmers Market have?

Define Mitsuwa Marketplace's Ingredient as BACK. Define Parmesan Cheese's Spinach as BACK. Define Buford Highway Farmers Market's Cheese as b; so b = 0.

0

med

The number of each Dolphin Lagoon's Hippopotamus equals 11. The number of each Sydney Aquarium's Sealion Show Pool equals 0. The number of each Sydney Aquarium's Dolphin Lagoon equals 10. The number of each Sealion Show Pool's Rhinoceros equals each Sydney Aquarium's Sealion Show Pool. The number of each Dolphin Lagoon's Rhinoceros equals 7 times as much as each Sydney Aquarium's Dolphin Lagoon. How many Rhinoceros does Dolphin Lagoon have?

Define Sydney Aquarium's Dolphin Lagoon as R; so R = 10. Define Dolphin Lagoon's Rhinoceros as M; so M = 7 * R = 7 * 10 = 1.

1

med

The number of each Education Studies Room's Insulated Backpack equals 4 times as much as each Marketing Classroom's Backpack. The number of each Drawstring Backpack's Calculator equals 16 more than each Drawstring Backpack's Paperweight. The number of each Drawstring Backpack's Paperweight equals 4 more than each Insulated Backpack's Calculator. The number of each Business Management Room's Musical Instrument Backpack equals each Insulated Backpack's Paperweight. The number of each Insulated Backpack's Calculator equals 3. The number of each Business Management Room's Insulated Backpack equals each Drawstring Backpack's Paperweight. The number of each Marketing Classroom's Insulated Backpack equals the sum of each Musical Instrument Backpack's Glue Stick and each Insulated Backpack's Paperweight. The number of each Education Studies Room's Drawstring Backpack equals each Marketing Classroom's Stationery. The number of each Drawstring Backpack's Glue Stick equals 8. The number of each Insulated Backpack's Paperweight equals 16. The number of each Musical Instrument Backpack's Paperweight equals 8. The number of each Musical Instrument Backpack's Glue Stick equals 3 more than each Insulated Backpack's Paperweight. The number of each Marketing Classroom's Drawstring Backpack equals 0. The number of each Education Studies Room's Musical Instrument Backpack equals the sum of each Marketing Classroom's Drawstring Backpack, each Drawstring Backpack's Glue Stick and each Marketing Classroom's Stationery. How many Calculator does Insulated Backpack have?

Define Insulated Backpack's Calculator as z; so z = 3.

3

hard

The number of each Temperate Broadleaf Forest's Dolphin equals each Sea Anemone's Organs. The number of each Pine Forest's Sea Urchin equals 16. The number of each Puffer Fish's Autonomic Nerves equals each Subtropical Rainforest's Puffer Fish. The number of each Subtropical Rainforest's Puffer Fish equals 12 more than each Dolphin's Hypothalamus. The number of each Tropical Rainforest's Sea Urchin equals each Tropical Rainforest's Puffer Fish. The number of each Sea Anemone's Thalamus equals the sum of each Dolphin's Organs and each Dolphin's Hypothalamus. The number of each Puffer Fish's Ganglia equals 22. The number of each Tropical Rainforest's Puffer Fish equals 13 more than each Puffer Fish's Ganglia. The number of each Dolphin's Hypothalamus equals each Sea Urchin's Organs. The number of each Subtropical Rainforest's Sea Anemone equals 22 times as much as each Tropical Rainforest's Puffer Fish. How many Dolphin does Temperate Broadleaf Forest have?

Define Sea Urchin's Organs as p; so p = 0. Define Sea Anemone's Thalamus as BACK. Define Temperate Broadleaf Forest's Creatures as BACK. Define Puffer Fish's Organs as BACK. Define Dolphin's Hypothalamus as B; so B = p = 0. Define Tropical Rainforest's Organs as BACK. Define Puffer Fish's Autonomic Nerves as BACK. Define Subtropical Rainforest's Organs as BACK. Define Dolphin's Organs as I; so I = B = 0. Define Temperate Broadleaf Forest's Creatures as BACK. Define Sea Anemone's Thalamus as a; so a = I + B = 0 + 0 = 0. Define Sea Anemone's Organs as T; so T = a = 0. Define Temperate Broadleaf Forest's Dolphin as c; so c = T = 0.

0

hard

The number of each Trichomonas's Venules equals 5. The number of each Daphnia's Arterioles equals 21 more than each Daphnia's Venules. The number of each Daphnia's Venules equals 11. The number of each Amoeba's Venules equals the difference of each Daphnia's Organs and each Daphnia's Capillaries. The number of each Trichomonas's Arterioles equals 11 more than each Trichomonas's Venules. The number of each Amoeba's Capillaries equals 17 more than each Amoeba's Venules. The number of each Trichomonas's Capillaries equals the sum of each Amoeba's Organs, each Amoeba's Arterioles and each Daphnia's Venules. The number of each Daphnia's Capillaries equals each Daphnia's Venules. The number of each Amoeba's Arterioles equals each Amoeba's Capillaries. How many Arterioles does Amoeba have?

Define Daphnia's Organs as BACK. Define Amoeba's Organs as BACK. Define Daphnia's Venules as h; so h = 11. Define Amoeba's Capillaries as BACK. Define Daphnia's Arterioles as t; so t = 21 + h = 21 + 11 = 9. Define Trichomonas's Organs as BACK. Define Daphnia's Capillaries as D; so D = h = 11. Define Amoeba's Organs as BACK. Define Amoeba's Capillaries as BACK. Define Amoeba's Arterioles as BACK. Define Daphnia's Organs as C; g = D + h = 11 + 11 = 22; so C = g + t = 22 + 9 = 8. Define Amoeba's Arterioles as BACK. Define Trichomonas's Arterioles as BACK. Define Trichomonas's Organs as BACK. Define Amoeba's Venules as a; so a = C - D = 8 - 11 = 20. Define Trichomonas's Capillaries as BACK. Define Amoeba's Capillaries as y; so y = 17 + a = 17 + 20 = 14. Define Amoeba's Arterioles as s; so s = y = 14.

14

med

The number of each Food 4 Less's Smoothies equals each National Historic Landmark District's Market Basket. The number of each No Frills's Milk equals each Food 4 Less's Oat Milk. The number of each Renaissance District's Food 4 Less equals 3 times as much as each Old Harbor's Supermarket. The number of each National Historic Landmark District's Family Dollar equals 18. The number of each Renaissance District's No Frills equals the difference of each Family Dollar's Oat Milk and each Old Harbor's No Frills. The number of each Market Basket's Bottled Water equals 13. The number of each Family Dollar's Bottled Water equals 20. The number of each Food 4 Less's Oat Milk equals 13 more than the sum of each Renaissance District's Supermarket and each Old Harbor's Family Dollar. The number of each Market Basket's Smoothies equals 14 more than each Family Dollar's Bottled Water. The number of each Market Basket's Oat Milk equals 20 times as much as each No Frills's Smoothies. The number of each Market Basket's Milk equals each No Frills's Smoothies. The number of each National Historic Landmark District's Market Basket equals the sum of each Family Dollar's Bottled Water, each Market Basket's Bottled Water and each National Historic Landmark District's No Frills. The number of each National Historic Landmark District's Food 4 Less equals the sum of each Renaissance District's Supermarket, each Old Harbor's Family Dollar and each Market Basket's Bottled Water. The number of each National Historic Landmark District's No Frills equals 18 times as much as the sum of each Family Dollar's Bottled Water, each Market Basket's Bottled Water and each Market Basket's Smoothies. The number of each Family Dollar's Oat Milk equals 13. The number of each No Frills's Smoothies equals 14. The number of each Old Harbor's No Frills equals the sum of each Market Basket's Oat Milk and each Market Basket's Milk. The number of each Old Harbor's Family Dollar equals each Market Basket's Milk. How many Milk does No Frills have?

Define No Frills's Smoothies as e; so e = 14. Define No Frills's Milk as BACK. Define National Historic Landmark District's Product as BACK. Define Renaissance District's No Frills as BACK. Define Market Basket's Oat Milk as y; so y = 20 * e = 20 * 14 = 4. Define Renaissance District's Product as BACK. Define Market Basket's Milk as U; so U = e = 14. Define Old Harbor's No Frills as W; so W = y + U = 4 + 14 = 18. Define Food 4 Less's Product as BACK. Define Old Harbor's Family Dollar as m; so m = U = 14. Define National Historic Landmark District's Food 4 Less as BACK. Define Old Harbor's Supermarket as Z; so Z = m + W = 14 + 18 = 9. Define Old Harbor's Product as BACK. Define Market Basket's Product as BACK. Define Renaissance District's Food 4 Less as h; so h = 3 * Z = 3 * 9 = 4. Define Family Dollar's Oat Milk as C; so C = 13. Define Renaissance District's No Frills as X; so X = C - W = 13 - 18 = 18. Define Renaissance District's Supermarket as A; so A = h + X = 4 + 18 = 22. Define Food 4 Less's Oat Milk as r; n = A + m = 22 + 14 = 13; so r = 13 + n = 13 + 13 = 3. Define No Frills's Milk as o; so o = r = 3.

3

hard

The number of each Nasopharynx's Myeloblasts equals each Nasopharynx's Eosinophils. The number of each Epiglottis's Myeloblasts equals 4. The number of each Oropharynx's Eosinophils equals 11 times as much as each Nasopharynx's Myeloblasts. The number of each Nasopharynx's Lymphocytes equals each Epiglottis's Myeloblasts. The number of each Epiglottis's Lymphocytes equals the difference of each Oropharynx's Eosinophils and each Nasopharynx's Myeloblasts. The number of each Epiglottis's Eosinophils equals 18 times as much as each Oropharynx's Eosinophils. The number of each Oropharynx's Lymphocytes equals each Nasopharynx's Lymphocytes. The number of each Nasopharynx's Eosinophils equals 6. How many Lymphocytes does Epiglottis have?

Define Nasopharynx's Eosinophils as b; so b = 6. Define Epiglottis's Eosinophils as BACK. Define Nasopharynx's Lymphocytes as BACK. Define Oropharynx's Eosinophils as BACK. Define Epiglottis's Lymphocytes as BACK. Define Nasopharynx's Myeloblasts as q; so q = b = 6. Define Oropharynx's Lymphocytes as BACK. Define Oropharynx's Eosinophils as Z; so Z = 11 * q = 11 * 6 = 20. Define Nasopharynx's Lymphocytes as BACK. Define Oropharynx's Cells as BACK. Define Epiglottis's Lymphocytes as I; so I = Z - q = 20 - 6 = 14.

14

hard

The number of each Arteries's Gastric Parietal Cells equals each Endothelium's Serous Cells. The number of each Coronary Arteries's Gastric Parietal Cells equals 12 more than the sum of each Endothelium's Serous Cells and each Arteries's Gastric Parietal Cells. The number of each Coronary Arteries's Endothelial Cells equals each Arteries's Serous Cells. The number of each Endothelium's Endothelial Cells equals each Coronary Arteries's Endothelial Cells. The number of each Endothelium's Serous Cells equals 8. The number of each Arteries's Endothelial Cells equals the sum of each Endothelium's Serous Cells and each Arteries's Gastric Parietal Cells. The number of each Arteries's Serous Cells equals 20. How many Endothelial Cells does Coronary Arteries have?

Define Coronary Arteries's Cells as BACK. Define Arteries's Gastric Parietal Cells as BACK. Define Arteries's Serous Cells as C; so C = 20. Define Coronary Arteries's Endothelial Cells as P; so P = C = 20.

20

med

The number of each Hippopotamus Tank's Herring equals each Otter Pool's Halibut. The number of each Hippopotamus Tank's Haddock equals 13 times as much as each Hippopotamus Tank's Halibut. The number of each Otter Pool's Halibut equals 14. The number of each Elephant Habitat's Halibut equals 1. The number of each Elephant Habitat's Haddock equals each Elephant Habitat's Herring. The number of each Otter Pool's Haddock equals the difference of each Elephant Habitat's Herring and each Hippopotamus Tank's Halibut. The number of each Hippopotamus Tank's Halibut equals 14. The number of each Elephant Habitat's Herring equals 15 times as much as each Elephant Habitat's Halibut. How many Haddock does Elephant Habitat have?

Define Hippopotamus Tank's Herring as BACK. Define Elephant Habitat's Haddock as BACK. Define Elephant Habitat's Halibut as S; so S = 1. Define Otter Pool's Animal as BACK. Define Elephant Habitat's Herring as h; so h = 15 * S = 15 * 1 = 15. Define Elephant Habitat's Haddock as C; so C = h = 15.

15

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The number of each Fire Salamander's Coffin Bone equals 10 times as much as the sum of each Fire Salamander's Fetlock and each Glass Frog's Pastern Bone. The number of each Glass Frog's Fetlock equals 7 more than the sum of each Fire Salamander's Coffin Bone and each Glass Frog's Pastern Bone. The number of each Glass Frog's Pastern Bone equals 12. The number of each Glass Frog's Coffin Bone equals 20 times as much as the sum of each Fire Salamander's Fetlock, each Glass Frog's Pastern Bone and each Fire Salamander's Coffin Bone. The number of each Fire Salamander's Fetlock equals 10 more than each Glass Frog's Pastern Bone. How many Bone does Glass Frog have?

Define Fire Salamander's Fetlock as BACK. Define Glass Frog's Bone as BACK. Define Glass Frog's Pastern Bone as W; so W = 12. Define Fire Salamander's Bone as BACK. Define Fire Salamander's Fetlock as m; so m = 10 + W = 10 + 12 = 22. Define Fire Salamander's Coffin Bone as v; y = m + W = 22 + 12 = 11; so v = 10 * y = 10 * 11 = 18. Define Glass Frog's Bone as BACK. Define Glass Frog's Coffin Bone as C; Q = m + W = 22 + 12 = 11; Y = Q + v = 11 + 18 = 6; so C = 20 * Y = 20 * 6 = 5. Define Glass Frog's Bone as BACK. Define Glass Frog's Fetlock as n; g = v + W = 18 + 12 = 7; so n = 7 + g = 7 + 7 = 14. Define Glass Frog's Bone as R; p = n + C = 14 + 5 = 19; so R = p + W = 19 + 12 = 8.

8

med

The number of each Lake Homes's Price Chopper equals 4. The number of each Retirement Community's No Frills equals 0. The number of each Mobile Home Park's Super Saver equals 13 times as much as each Bungalow Colony's Supermarket. The number of each Retirement Community's Grocery Outlet equals 15. How many Supermarket does Mobile Home Park have?

Define Retirement Community's Supermarket as BACK. Define Bungalow Colony's Supermarket as r; so r = 0. Define Mobile Home Park's Super Saver as P; so P = 13 * r = 13 * 0 = 0. Define Retirement Community's Supermarket as BACK. Define Mobile Home Park's Supermarket as K; so K = P = 0.

0

hard

The number of each Instacart's Canned Soups equals 3. The number of each Canned Soups's Apple equals each Canned Beef's Mango. The number of each Canned Beef's Apple equals the sum of each Grofers's Canned Tuna and each Instacart's Canned Beef. The number of each Instacart's Canned Tuna equals 12. The number of each Canned Soups's Raspberry equals the sum of each Grofers's Canned Tuna and each Canned Soups's Mango. The number of each Canned Soups's Mango equals each Grofers's Canned Tuna. The number of each Canned Beef's Mango equals 3. The number of each Grofers's Canned Tuna equals 9. The number of each Canned Tuna's Raspberry equals the difference of each Canned Beef's Mango and each Bigbasket's Canned Beef. The number of each Bigbasket's Canned Beef equals 6 times as much as each Bigbasket's Canned Soups. The number of each Instacart's Canned Beef equals 19 times as much as each Instacart's Canned Soups. The number of each Bigbasket's Canned Tuna equals 22. The number of each Grofers's Canned Beef equals the sum of each Canned Soups's Ingredient, each Bigbasket's Canned Tuna and each Canned Beef's Mango. The number of each Canned Tuna's Apple equals the sum of each Bigbasket's Canned Beef, each Instacart's Product and each Instacart's Canned Tuna. The number of each Grofers's Canned Soups equals the difference of each Canned Beef's Ingredient and each Canned Soups's Mango. The number of each Canned Beef's Raspberry equals 15 more than the sum of each Instacart's Product and each Instacart's Canned Beef. The number of each Bigbasket's Canned Soups equals 22 more than each Canned Beef's Raspberry. The number of each Canned Tuna's Mango equals 0. How many Apple does Canned Tuna have?

Define Instacart's Ingredient as BACK. Define Canned Tuna's Ingredient as BACK. Define Canned Soups's Ingredient as BACK. Define Instacart's Canned Soups as B; so B = 3. Define Bigbasket's Ingredient as BACK. Define Instacart's Canned Tuna as I; so I = 12. Define Grofers's Canned Soups as BACK. Define Instacart's Canned Beef as i; so i = 19 * B = 19 * 3 = 11. Define Instacart's Product as l; F = B + i = 3 + 11 = 14; so l = F + I = 14 + 12 = 3. Define Canned Beef's Raspberry as H; R = l + i = 3 + 11 = 14; so H = 15 + R = 15 + 14 = 6. Define Bigbasket's Canned Soups as k; so k = 22 + H = 22 + 6 = 5. Define Grofers's Canned Beef as BACK. Define Bigbasket's Canned Beef as G; so G = 6 * k = 6 * 5 = 7. Define Canned Tuna's Apple as b; Y = G + l = 7 + 3 = 10; so b = Y + I = 10 + 12 = 22.

22

hard

The number of each Pittsburgh National Aviary's Dolphin Lagoon equals the sum of each Dolphin Lagoon's Raccoon and each Seadragon Deep's Wolf. The number of each San Antonio Zoo's Seadragon Deep equals 0. The number of each Dolphin Lagoon's Raccoon equals 9. The number of each Seadragon Deep's Wolf equals each Dolphin Lagoon's Animal. How many Wolf does Seadragon Deep have?

Define Dolphin Lagoon's Raccoon as C; so C = 9. Define Pittsburgh National Aviary's Dolphin Lagoon as BACK. Define Dolphin Lagoon's Animal as x; so x = C = 9. Define Seadragon Deep's Wolf as b; so b = x = 9.

9

med

The number of each Giant Salamander's Metacarpal III equals 4 times as much as the sum of each Toad's Bone, each Toad's Ulnar Carpal and each Toad's Metacarpal III. The number of each Giant Salamander's Ulnar Carpal equals 4 more than the sum of each Giant Salamander's Metacarpal III, each Toad's Bone and each Toad's Ulnar Carpal. The number of each Toad's Metacarpal III equals 1 more than each Toad's Ulnar Carpal. The number of each Toad's Ulnar Carpal equals 9. How many Bone does Giant Salamander have?

Define Toad's Ulnar Carpal as o; so o = 9. Define Toad's Metacarpal III as L; so L = 1 + o = 1 + 9 = 10. Define Toad's Bone as V; so V = L + o = 10 + 9 = 19. Define Giant Salamander's Ulnar Carpal as BACK. Define Giant Salamander's Bone as BACK. Define Giant Salamander's Metacarpal III as k; j = V + o = 19 + 9 = 5; Z = j + L = 5 + 10 = 15; so k = 4 * Z = 4 * 15 = 14. Define Giant Salamander's Ulnar Carpal as J; O = k + V = 14 + 19 = 10; F = O + o = 10 + 9 = 19; so J = 4 + F = 4 + 19 = 0. Define Giant Salamander's Bone as S; so S = k + J = 14 + 0 = 14.

14

hard

The number of each Pulmonary Valve's Oligodendrocytes equals 1. The number of each Armadillo's Mitral Valve equals 3 times as much as the sum of each Pulmonary Valve's Oligodendrocytes, each Pulmonary Valve's Purkinje Cells and each Armadillo's Pulmonary Valve. The number of each Lion's Chambers of the Heart equals the difference of each Armadillo's Organs and each Armadillo's Cells. The number of each Armadillo's Pulmonary Valve equals 4 times as much as the difference of each Pulmonary Valve's Oligodendrocytes and each Pulmonary Valve's Purkinje Cells. The number of each Chambers of the Heart's Pyramidal Cells equals 21. The number of each Pulmonary Valve's Purkinje Cells equals 3. How many Cells does Armadillo have?

Define Armadillo's Organs as BACK. Define Pulmonary Valve's Oligodendrocytes as i; so i = 1. Define Pulmonary Valve's Purkinje Cells as N; so N = 3. Define Armadillo's Pulmonary Valve as h; T = i - N = 1 - 3 = 21; so h = 4 * T = 4 * 21 = 15. Define Chambers of the Heart's Cells as BACK. Define Lion's Chambers of the Heart as BACK. Define Lion's Organs as BACK. Define Armadillo's Organs as BACK. Define Armadillo's Mitral Valve as k; w = i + N = 1 + 3 = 4; j = w + h = 4 + 15 = 19; so k = 3 * j = 3 * 19 = 11. Define Mitral Valve's Cells as l; so l = 0. Define Lion's Chambers of the Heart as BACK. Define Pulmonary Valve's Cells as A; so A = i + N = 1 + 3 = 4. Define Lion's Organs as BACK. Define Chambers of the Heart's Cells as BACK. Define Armadillo's Cells as f; q = h * A = 15 * 4 = 14; L = k * l = 11 * 0 = 0; so f = q + L = 14 + 0 = 14.

14

hard

The number of each Cream's Bell Pepper equals 8. The number of each Sour Cream's Beetroot equals each Sour Cream's Bell Pepper. The number of each Sour Cream's Bell Pepper equals each Albertsons's Product. The number of each Lidl's Cream equals 2 more than each Sour Cream's Ingredient. The number of each Lidl's Sour Cream equals 19 times as much as each Albertsons's Product. How many Cream does Lidl have?

Define Sour Cream's Ingredient as BACK. Define Albertsons's Product as v; so v = 0. Define Sour Cream's Bell Pepper as c; so c = v = 0. Define Sour Cream's Ingredient as BACK. Define Sour Cream's Beetroot as T; so T = c = 0. Define Lidl's Product as BACK. Define Sour Cream's Ingredient as m; so m = T + c = 0 + 0 = 0. Define Cream's Ingredient as BACK. Define Lidl's Cream as A; so A = 2 + m = 2 + 0 = 2.

2

hard