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You must buy 100 chickens for exactly $100, and purchase at least one chicken from each store.
The first store charges 5 cents/chicken, the second charges $1/chicken and the third charges $5/chicken.
How many chickens should you buy from each store?
Ah! Click here to read the solution.
80 from store 1 = $4
1 from store 2 = $1
19 from store 3 = $95
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