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Social Studies, 25.04.2020 06:30 graceaowen

After hearing a knock at the door, Evelyn walks over and opens it. It's the pizza delivery
guy. He takes a large pizza out of the case and says that she owes him $15.75. Evelyn gives
him a $20 bill. After receiving her change, she gives the pizza delivery guy a $3 tip Why
was the price of the pizza $15.75? Why wasn't it $12 or $18?

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After hearing a knock at the door, Evelyn walks over and opens it. It's the pizza delivery
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