2012 AMC 12B Problem 4
Attempt Problem 4 of the 2012 AMC 12B 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 2012 AMC 12B solutions, or check the answer key.
All problems are used with official legal permission of the Mathematical Association of America (MAA).
4.
Suppose that the euro is worth dollars. If Diana has dollars and Étienne has euros, by what percent is the value of Étienne’s money greater than the value of Diana’s money?
Answer: B
Small hint:
Convert Étienne’s euros to dollars first
Big hint:
The percent increase is
Solution:
Étienne’s money is worth dollars, while Diana has dollars.
The percent by which Étienne’s value exceeds Diana’s is
Thus, the correct answer is B.
Problem 4 in other years
- 1950 AMC 12
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