SOLUTION: A pipe can fill a swimming pool in 10 hrs.if a second pipe is opened,the two pipes together can fill the pool in 4 hours.how long would it take the second pipe alone to fill the po

Algebra ->  Rate-of-work-word-problems -> SOLUTION: A pipe can fill a swimming pool in 10 hrs.if a second pipe is opened,the two pipes together can fill the pool in 4 hours.how long would it take the second pipe alone to fill the po      Log On


   

Question 913175: A pipe can fill a swimming pool in 10 hrs.if a second pipe is opened,the two pipes together can fill the pool in 4 hours.how long would it take the second pipe alone to fill the pool?
Answer by josgarithmetic(39616) About Me  (Show Source):
You can put this solution on YOUR website!
x, time for second pipe alone to fill the pool.

Fill rate unit is pool per hour
1%2F10%2B1%2Fx=1%2F4
Solve for x.