A: If it took 14 hours to fill the tank, then it will take 14 hours to empty it. 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