Here are the prices 4 cheese pizza at a certain pizzeria: pizza size price in dollars

small. 11.60

medium

large. 16.25

a)You had a coupon that made the price of a large pizza $13.00. For what percent off was the coupon?

b) Your friend purchased medium pizza for $10.31 with a 30% off coupon. what is the price of a medium pizza without a coupon?

c) Your friend has a 15% off coupon and $10. what is the largest pizza that your friend can afford?

PLEASE help i do not understand thank you!​