Asked by alyse

Jane's aquarium contains goldfish, turtles, and snails. There are 16 legs, 10 shells, and 36 eyes in the aquarium. How many creatures of each type are in the aquarium? (Hint: Snails have two eyes, one shell, and one leg.)
Answered by PsyDAG
Since there are 36 eyes and all the animals have 2 eyes, there are 18 animals total. Fish have no legs. Since there are 10 shells, the combined number of turtles and snails = 10. This means that there are 8 fish. The ten shelled animals share 16 legs. How can these 10 animals share these 16 legs, some with 4 and others with one?

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