1967 AHSME Problems/Problem 27

Problem

Two candles of the same length are made of different materials so that one burns out completely at a uniform rate in $3$ hours and the other in $4$ hours. At what time P.M. should the candles be lighted so that, at 4 P.M., one stub is twice the length of the other?

$\textbf{(A) 1:24}\qquad \textbf{(B) 1:28}\qquad \textbf{(C) 1:36}\qquad \textbf{(D) 1:40}\qquad \textbf{(E) 1:48}$

Solution

$\fbox{C}$

1967 AHSME (Problems • Answer Key • Resources)
Preceded by Problem 26	Followed by Problem 28
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1967 AHSME Problems/Problem 27

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