SOLUTION: One pump can fill a pool in 18 hrs., second pump is 50% faster than the first one. How long will it take both the pumps to fill the pool?

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Question 1110676: One pump can fill a pool in 18 hrs., second pump is 50% faster than the first one. How long will it take both the pumps to fill the pool?
Answer by josgarithmetic(39630) About Me  (Show Source):
You can put this solution on YOUR website!
Pump 1, 1%2F18 pools per hour

Pump 2, 50% faster, so is %283%2F2%29%281%2F18%29=1%2F12 pools per hour


Time for both pumps to fill the pool (assuming working simultaneously)?

1%2F%281%2F18%2B1%2F12%29, in hours. Evaluate that.


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7 hours 12 minutes