2013 AMC 8 Problem 2

Attempt Problem 2 of the 2013 AMC 8 below, then check your answer against the video solution and professionally curated solution from LIVE by Po-Shen Loh. You can also try the full timed exam, view all 2013 AMC 8 solutions, or check the answer key.

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

2.

A sign at the fish market says, “50%50 \% off, today only: half-pound packages for just $3\$3 per package.” What is the regular price for a full pound of fish, in dollars?
66
99
1010
1212
1515
Answer: D
Concepts:percentagemoney
Small hint:
The quoted price is for a half pound after the discount.
Big hint:
First undo the 50%50\% discount, then double to get one pound.
Video solution:
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Written solution:
During the sale, the price for half a pound is $3,\$3, and therefore, the price for a full pound is 2⋅$3=$6.2 \cdot \$3 = \$6.
The sale price is 50%50\% off the regular price, and so the regular price is twice the sale price. Therefore, the regular price for a full pound of fish is 2⋅$6=$12.2 \cdot \$6 = \$12.
Thus, D is the correct answer.
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