SOLUTION: 10) A tap X and Y can fill up an empty tank in 15 and 12 hours respectively. another tap z can empty the full tank in 8 hours. if all the tap turned together at the same time, i

SOLUTION: 10) A tap X and Y can fill up an empty tank in 15 and 12 hours respectively. another tap z can empty the full tank in 8 hours. if all the tap turned together at the same time, i

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Question 839210: 10) A tap X and Y can fill up an empty tank in 15 and 12 hours respectively. another tap z can empty the full tank in 8 hours. if all the tap turned together at the same time, in how many hours will the tank be full?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
1/12+1/15-1/8=1/x
x=40

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