SOLUTION: Pipe A can fill a tank alone in 5 hours and Pipe B can fill the tank alone in 4 hours. A drain pipe (Pipe C) can empty the tank in 20 hours. With all three Pipes open, how long wi
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-> SOLUTION: Pipe A can fill a tank alone in 5 hours and Pipe B can fill the tank alone in 4 hours. A drain pipe (Pipe C) can empty the tank in 20 hours. With all three Pipes open, how long wi
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Question 993128: Pipe A can fill a tank alone in 5 hours and Pipe B can fill the tank alone in 4 hours. A drain pipe (Pipe C) can empty the tank in 20 hours. With all three Pipes open, how long will it take to fill the tank Answer by ikleyn(52794) (Show Source):
