1988 AMC 8 Problem 18
Attempt Problem 18 of the 1988 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 1988 AMC 8 solutions, or check the answer key.
All problems are used with official legal permission of the Mathematical Association of America (MAA).
18.
The average weight of boys is pounds and the average weight of girls is pounds. The average weight of the children is
pounds
pounds
pounds
pounds
pounds
Answer: C
Small hint:
Find the total weight of the boys and the total weight of the girls separately
Big hint:
Divide the combined total weight by
Solution:
The total weight is pounds.
The average of the children is pounds.
Thus, the correct answer is C .
Problem 18 in other years
- 1985 AMC 8
- 1986 AMC 8
- 1987 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
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- 1999 AMC 8
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