Problem:
Soda is sold in packs of and cans. What is the minimum number of packs needed to buy exactly cans of soda?
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Answer Choices:
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B.
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E.
Solution:
To get the minimum number of packs, purchase as many -packs as possible: three -packs contain cans, which leaves cans. To get the remaining cans, purchase one -pack and one -pack. The minimum number of packs is .
Answer: .
The problems on this page are the property of the MAA's American Mathematics Competitions