Question
Kathy bought 11 puffs and 18 cookies altogether. One puff is w¢ and one cookie is $2. She gave the cashier $50. Express her change in terms of w in cents.
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Kathy bought 11 puffs and 18 cookies altogether. One puff is w¢ and one cookie is $2. She gave the cashier $50. Express her change in terms of w in cents.