Primary Mathematics Challenge - 2022 - 7 | Exact Science

7

A Pet Rescue Home has the same number of parrots, cats and dogs.When the owner of the home looks at all of her pets, she can see 30 legs.How many cats are there?

A. 2

B. 3

C. 4

D. 5

E. 6

Answer

B. 3

‍

SOLUTIOn

One parrot, one cat and one dog have a total of 10 legs. The Pet Rescue Home has the same number of each animal. With 30 legs altogether, there must be 3 of each animal.

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