1987 AMC 8 Problem 23
Attempt Problem 23 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).
23.
Assume the adjoining chart shows the U.S. population, in millions, for each region by ethnic group. To the nearest percent, what percent of the U.S. Black population lived in the South?
| NE | MW | South | West | |
|---|---|---|---|---|
| White | ||||
| Black | ||||
| Asian | ||||
| Other |
Answer: D
Small hint:
Add the Black population across all four regions to get the total
Big hint:
Divide the South’s figure by that total, then convert to a percent
Solution:
The total Black population is million.
The South’s share is which rounds to
Thus, the correct answer is D .
Problem 23 in other years
- 1985 AMC 8
- 1986 AMC 8
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