Problem:
A shopper buys a coat on sale for off. An additional is taken off the sale price by using a discount coupon. A sales tax of is paid on the final selling price. The total amount the shopper pays for the coat is
Answer Choices:
A.
B.
C.
D.
E.
Solution:
The discount lowers the price to .
Then the coupon reduces the price to .
The sales tax is of , or .
Thus, the final cost is .
The discounted price is .
The final price with tax is .
Answer: .
The problems on this page are the property of the MAA's American Mathematics Competitions