An electric pump can fill a tank in 3 hours. Because of a leak in the tank, it took 3.5 hours to fill the tank. If the tank is full, how much time will it take for the leak to empty it?

An electric pump can fill a tank in 3 hours. Because of a leak in the

1.	An electric pump can fill a tank in 3 hours. Because of a leak in the tank, it took 3.5 hours to fill the tank. If the tank is full, how much time will it take for the leak to empty it?
A.	25 hrs
B.	19 hrs
C.	20 hrs
D.	21 hrs
Answer» E.

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An electric pump can fill a tank in 3 hours. Because of a leak in the tank, it took 3.5 hours to fill the tank. If the tank is full, how much time will it take for the leak to empty it?

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