SOLUTION: A swimming pool can be filled in 15 hours if water enters through a pipe​ alone, or in 22 hours if water enters through a hose alone. If water is entering through both the pipe

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Question 1156544: A swimming pool can be filled in 15 hours if water enters through a pipe​ alone, or in 22 hours if water enters through a hose alone. If water is entering through both the pipe and the​ hose, how long will it take to fill the pool two fifths
​full?
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
Rate of fill using both the pipe and hose:
1%2F15%2B1%2F22
%2822%2B15%29%2F%2822%2A15%29
37%2F330pools%2Fhours

How much time to fill two-fifths of the pool?
%2837%2F330%29x=2%2F5

x=%282%2F5%29%28330%2F37%29hours
.
.