Patty ordered a pizza to be delivered. the bill was $12.00. patty pays $15 and tells the delivery person to keep the change as a tip. what percent tip did she give?

You are a clerk at convenience store. a customer owes 11.69 for a bag of potatoes chips. she gives you a five dollar bill. how much change should the customer receive?

The final cost of a sale is determined by multiplying the price on the tag by 75%. which best describes the function that represents the situation?

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