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Question

A shopper buys a 100 dollar coat on sale for 20% off. An additional 5 dollars are taken off the sale price by using a discount coupon. A sales tax of 8% is paid on the final selling price. The total amount the shopper pays for the coat is

Accepted Answer

After the 20% sale, the coat costs 100(0.8)=80 dollars. Then 5 dollars are taken off for a cost of 80-5=75. Adding on the sales tax, the final amount is (75)(1.08)=81.00 dollars.