Question
Betty bought 19 sandwiches and 18 wafers altogether. One sandwich is x¢ and one wafer is $2. She gave the cashier $50. Express her change in terms of x in cents.
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Betty bought 19 sandwiches and 18 wafers altogether. One sandwich is x¢ and one wafer is $2. She gave the cashier $50. Express her change in terms of x in cents.