3 pump , working 8 hours a day , can empty a tank in 2 day . How many hours a day must 4 pumps works to empty the tank in 1 day? Options: A . &nbsp10 B . &nbsp12 C . &nbsp14 D . &nbsp16

3 pump , working 8 hours a day , can empty a tank in 2 day . How many hours a

Question

3 pump , working 8 hours a day , can empty a tank in 2 day . How many hours a day must 4 pumps works to empty the tank in 1 day?

Options:

A . 10

B . 12

C . 14

D . 16

Answer: Option B

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