A pump can fill a tank with water in 2 hours. Because of a leak in the tank it was taking 21 hours to fill the tank. The leak can drain all the water off the tank in : 3

A pump can fill a tank with water in 2 hours. Because of a leak in the

1.	A pump can fill a tank with water in 2 hours. Because of a leak in the tank it was taking 21 hours to fill the tank. The leak can drain all the water off the tank in : 3
A.	8 hours
B.
C.	7 hours
D.	14 hours
Answer» E.

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