2001 AMC 8 Problem 15
Attempt Problem 15 of the 2001 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 2001 AMC 8 solutions, or check the answer key.
All problems are used with official legal permission of the Mathematical Association of America (MAA).
15.
Homer began peeling a pile of potatoes at the rate of potatoes per minute. Four minutes later Christen joined him and peeled at the rate of potatoes per minute. When they finished, how many potatoes had Christen peeled?
Answer: A
Small hint:
Find how many potatoes remain when Christen starts
Big hint:
After that, their combined rate is per minute
Solution:
Homer had peeled potatoes by the time Christen joined him, leaving potatoes.
Together, Homer and Christen peel potatoes per minute, taking them minutes to peel the rest.
In minutes, Christen peeled potatoes.
Thus, A is the correct answer.
Problem 15 in other years
- 1985 AMC 8
- 1986 AMC 8
- 1987 AMC 8
- 1988 AMC 8
- 1989 AMC 8
- 1990 AMC 8
- 1991 AMC 8
- 1992 AMC 8
- 1993 AMC 8
- 1994 AMC 8
- 1995 AMC 8
- 1996 AMC 8
- 1997 AMC 8
- 1998 AMC 8
- 1999 AMC 8
- 2000 AMC 8
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