1987 AMC 8 Problem 15
Attempt Problem 15 of the 1987 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 1987 AMC 8 solutions, or check the answer key.
All problems are used with official legal permission of the Mathematical Association of America (MAA).
15.
A sale ad read: "Buy three tires at the regular price and get the fourth tire for $3." Sam paid $240 for a set of four tires at the sale. What was the regular price of one tire?
$59.25
$60
$70
$79
$80
Answer: D
Difficulty rating: 860
Solution:
The three regular-price tires cost
So one tire costs
Thus, the correct answer is D .
Problem 15 in Other Years
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