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Pump X takes 28 hours to fill a pool. Pump TY takes 21 hours to fill the same pool. How long does it take them to fill..

Expert replies
by BTGmoderatorLU » Sun Dec 13, 2020 5:39 am

Timer

00:00

Answers

A

B

C

D

E

Stats

Difficulty

Source: Magoosh

Pump X takes 28 to fill a pool. Pump Y takes 21 hours to fill the same pool. How long does it take them to fill the same pool if they are working simultaneously?

A. 7 hr
B. 10 hr
C. 12 hr
D. 14 hr
E. 18 hr

The OA is C
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Source: — Problem Solving |