You need to pump water out of a flooded basement, using two 50-gallon-per-minute (gpm) pumps. The basement has the dimensions shown and is flooded to a depth of 16 inches. How long will it take to pump the water out of the basement?



A
18 minutes

B
1 hour 47 minutes

C
2 hours 27 minutes

D
3 hours 19 minutes

E
4 hours 54 minutes