Cross Breeds

How many of each animal does Aaron have to purchase to spend 100$ and get exactly 100 animals?

Aaron walks into a pet store and has 100 dollars to spend on buying 100 animals. He must spend all the money. Dogs cost 15 dollars, cats cost one dollar, and mice are twenty five cents. Aaron has to buy at least one of each animal.

Public Comments

1. All you need to do is make two equations: 15x + y + 0.25z = 100 x + y + z = 100 with x = the amount of dogs, y = the amount of cats and z = the amount of mice. Each with a minimum of 1.