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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