erinmcgrath7 erinmcgrath7
  • 12-05-2021
  • Mathematics
contestada

One pipe fills an empty tank in 3 hours. A second pipe fills the same tank in 6 hours. A third pipe can empty the full tank in 5 hours. If all three valves were left open, how long would it take to fill the empty tank?

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keilaplayz08 keilaplayz08
  • 12-05-2021
6 would be your answer
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