Question
Cathy bought 17 croissants and 21 macarons altogether. One croissant is w¢ and one macaron is $2. She gave the cashier $50. Express her change in terms of w in cents.
2 m

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Cathy bought 17 croissants and 21 macarons altogether. One croissant is w¢ and one macaron is $2. She gave the cashier $50. Express her change in terms of w in cents.