You’re given a hundred dollars and told to spend it all purchasing exactly one hundred animals at the pet store. Dogs cost $15. Cats cost a buck, and mice are .25 cents each.
You have to spend exactly one hundred dollars and you have to end up with exactly one hundred animals?
The question is, how many of each animal do you have to purchase to equal a hundred animals purchased at exactly one hundred dollars?
April 17th, 2011 | Category: 
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3 Dogs @ $15 each = $45
56 Mice @ $0.25 each = $14
41 Cats @ $1 each = $41
Total of 100 Dogs/Mice/Cats for $100
That is absolutely correct, Paul!
Great job, you’re today’s winner.
I know this one. 3 dogs for $45. 41cats for $41. 56 mice for $14. 100 animals for $100!
As written, you don’t have to buy any mice or dogs. 100 cats at $1 apiece = $100.