A: The tank can be emptied in 14hours because 7 hours is the time the pump takes to fill the tank and 14 hours is the time the leak took to fill the tank. The answer is (E).
Answer the following multiple choice question with options (a), (b), (c), (d), (e) by reasoning step-by-step.
Q:An electric pump can fill a tank in 7 hours. Because of a leak in the tank, it took 14hours to fill the tank. If the tank is full, how much time will the leak take to empty it? Answer Choices: A)10hours B)12hours C)8hours D)5hours E)14hours