An electric motor pump can fill a tank in 4 hours. Because of a leak in the tank, it took 2/9 hours to fill the tank. If the tank is full, how much time would a leak take to empty it?

Options
- 24 hours
- 28 hours
- 36 hours
- 40 hours

CORRECT ANSWER : 36 hours

Discussion Board
mistake in question

there should be 9/2 in the question not 2/9

riya 07-18-2019 10:51 AM

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