问题描述：
The costs of a pack of potato chips and a bar of chocolates are $y and $17 respectively.
Michael paid $44 for 3 packs of potato chips and a bar of chocolates.Set up an equantion in y to describe the situation
Michael paid $44 for 3 packs of potato chips and a bar of chocolates.Set up an equantion in y to describe the situation
问题解答：
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