SOLUTION: A pool can be filled in 12 hours if water enters through a pipe alone or in 30 hours if water enters through a hose alone. If water is entering through the pipe and the hose, how

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equation Customizable Word Problems -> SOLUTION: A pool can be filled in 12 hours if water enters through a pipe alone or in 30 hours if water enters through a hose alone. If water is entering through the pipe and the hose, how       Log On


   

Question 274541: A pool can be filled in 12 hours if water enters through a pipe alone or in 30 hours if water enters through a hose alone. If water is entering through the pipe and the hose, how long will it take to fill the pool?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
x/12+x/30=1
5x+2x=60
7x=60
x=60/7=8.57 hrs