1994 AMC 8 Problem 9

Attempt Problem 9 of the 1994 AMC 8 below, then check your answer against the professionally curated solution from LIVE by Po-Shen Loh. You can also try the full timed exam, view all 1994 AMC 8 solutions, or check the answer key.

All problems are used with official legal permission of the Mathematical Association of America (MAA).

9.

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

$81.00\$81.00

$81.40\$81.40

$82.00\$82.00

$82.08\$82.08

$82.40\$82.40

Answer: A
Concepts:percentage
Difficulty rating: 860
Solution:

The 20%20\% discount lowers the price to $80,\$80, and the $5\$5 coupon reduces it to $75.\$75.

Adding 8%8\% tax gives 1.08×$75=$81.00.1.08 \times \$75 = \$81.00.

Thus, the correct answer is A .

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