Question
Min bought 17 puffs and 19 wafers altogether. One puff is f¢ and one wafer is $2. She gave the cashier $50. Express her change in terms of f in cents.
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Min bought 17 puffs and 19 wafers altogether. One puff is f¢ and one wafer is $2. She gave the cashier $50. Express her change in terms of f in cents.