Genna Richoux
Friday, July 15, 2011
Inlet A fills tank in 3 mins, inlet B takes 5 mins, drain takes 7.5 mins. If all inlets and drain are opened,?
Inlet A fills tank in 2 mins, inlet B takes 5 mins. Drain takes 7.5 mins. If all inlets and drain are opened, how long to fill tank?
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