6. A pump can fill a tank with water in 2 hours. Because of a leak, it took 2 1/3 hours to fill the tank. The leak can drain all the water of the tank in:
A. 8 hours
B. 14 hours
C. 7 hours
D. 4 1/3 hours
6. A pump can fill a tank with water in 2 hours. Because of a leak, it took 2 1/3 hours to fill the tank. The leak can drain all the water of the tank in:
A. 8 hours
B. 14 hours
C. 7 hours
D. 4 1/3 hours