SOLUTION: two pipes can fill a large tank in 10 hours. One of the pipes, used alone, takes 15 hours longer than the other to fill the tank. How long would each pipe take to fill the tank alo

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Question 914769: two pipes can fill a large tank in 10 hours. One of the pipes, used alone, takes 15 hours longer than the other to fill the tank. How long would each pipe take to fill the tank alone?
Answer by josgarithmetic(39618) About Me  (Show Source):
You can put this solution on YOUR website!
Rates For Each Pipe:
a pipe, 1%2Fx
other pipe, 1%2F%28x%2B15%29
both pipes, 1%2F10
Unit is TANKS per HOUR

BOTH PIPES TOGETHER fill at the rate of highlight%281%2Fx%2B1%2F%28x%2B15%29=1%2F10%29;
Finding x is arithmetic with a variable.