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 ” Sam paid for a set of four tires at the sale. What was the regular price of one tire?
Answer: D
Small hint:
The covers three tires at the regular price plus for the fourth
Big hint:
Subtract the then divide the rest among the three full-price tires
Solution:
The three regular-price tires cost
So one tire costs
Thus, the correct answer is D .
Problem 15 in other years
- 1985 AMC 8
- 1986 AMC 8
- 1988 AMC 8
- 1989 AMC 8
- 1990 AMC 8
- 1991 AMC 8
- 1992 AMC 8
- 1993 AMC 8
- 1994 AMC 8
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