SOLUTION: A refinery tank has one fill pipe and two drain pipes. Pipe 1 can fill the tank in 3 hr. Pipe 2 takes 6 hr or longer to drain the tank pipe than pipe 3 does. If it takes 12 hr to f

SOLUTION: A refinery tank has one fill pipe and two drain pipes. Pipe 1 can fill the tank in 3 hr. Pipe 2 takes 6 hr or longer to drain the tank pipe than pipe 3 does. If it takes 12 hr to f

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Question 95753This question is from textbook
: A refinery tank has one fill pipe and two drain pipes. Pipe 1 can fill the tank in 3 hr. Pipe 2 takes 6 hr or longer to drain the tank pipe than pipe 3 does. If it takes 12 hr to fill the tank when the valves of all three pipes are open, how long does it take pipe 3, alone, to drain the tank? This question is from textbook

Answer by jo_jo_milly_500bc(2) (Show Source): You can put this solution on YOUR website!
4 hours
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