Katyie Katyie
  • 11-08-2016
  • Mathematics
contestada

Working together, two pumps can drain a certain pool in 4 hours. If it takes the older pump 12 hours to drain the pool by itself, how long will it take the newer pump to drain the pool on its own?

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LaPetiteChocolat
LaPetiteChocolat LaPetiteChocolat
  • 11-08-2016
It will take the newer pump six hours.
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