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Vincen
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Tanks \(X\) and \(Y\) contain \(500\) and \(200\) gallons of water respectively. If water is being pumped out of tank \(X\) at a rate of \(K\) gallons per minute and water is being added to tank \(Y\) at a rate of \(M\) gallons per minute, how many hours will elapse before the two tanks contain equal amounts of water?
A. \(\dfrac5{M+K}\) hours.
B. \(6(M+K)\) hours.
C. \(\dfrac{300}{M+K}\) hours.
D. \(\dfrac{300}{M-K}\) hours.
E. \(\dfrac{60}{M-K}\) hours
Answer: A
Source: GMAT Club Tests
A. \(\dfrac5{M+K}\) hours.
B. \(6(M+K)\) hours.
C. \(\dfrac{300}{M+K}\) hours.
D. \(\dfrac{300}{M-K}\) hours.
E. \(\dfrac{60}{M-K}\) hours
Answer: A
Source: GMAT Club Tests
