Answered

One pump can fill a pool in 12 minutes. Working with a second slower pump, the pumps together can fill the pool in 10 minutes. How fast (in minutes) can the second pump fill the pool by itself?



Answer :

dlbird2008

72 mins = 1 hr 12 mins

12 - 10 = 2

12 ÷ 2 = 6

12 × 6 = 72 mins

72 ÷ 60 = 1.2

Ahia

Answer:

If the first pump can fill the pool in 12 minutes, its rate is 1/12 of the pool per minute. When working together with the second pump, they can fill the pool in 10 minutes, which means their combined rate is 1/10 of the pool per minute. To find the rate of the second pump, we subtract the rate of the first pump from the combined rate. So, the rate of the second pump is 1/10 - 1/12, which simplifies to 1/60. Therefore, the second pump can fill the pool by itself in 60 minutes.

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