SOLUTION: A tank is drained by two pipes. one pipe can empty the tank in 30 minutes while the other can empty it in 25 minutes. if the tank is 5/6 filled and both pipes are open at exactly 3

Question 1120662: A tank is drained by two pipes. one pipe can empty the tank in 30 minutes while the other can empty it in 25 minutes. if the tank is 5/6 filled and both pipes are open at exactly 3pm, at what time will the tank be emptied?
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
Emptying rate in TANK per MINUTE

x, time in minutes to drain of the tank

11 minutes 22 seconds
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