Source: Official Guide for the GMAT 12th Ed. Section 5.3 Problem Solving; #101

1

The water from one outlet, flowing at

The water from one outlet, flowing at a constant rate, can fill a swimming pool in 9 hours. The water from a second outlet, flowing at a constant rate, can fill the same pool in 5 hours. If both outlets are used at the same time, approximately what is the number of hours required to fill the pool? 0.22, 0.31, 2.50, 3.21, 4.56

1 Explanation

1

Gravatar Mike McGarry, Magoosh Tutor

Nov 6, 2012 • Comment

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Section 5.3 Problem Solving

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