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

by skeggy

Question by Cheeter101: 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.




Best answer:

Answer by MesaBoogieF30
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.

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