SOLUTION: one inlet pipe can fill a pool by itself in 3 hours. Another pipe can fill the pool in 4 hours alone. How long will it take to fill the pool if both pipes are open

SOLUTION: one inlet pipe can fill a pool by itself in 3 hours. Another pipe can fill the pool in 4 hours alone. How long will it take to fill the pool if both pipes are open

Algebra.Com

Question 866486: one inlet pipe can fill a pool by itself in 3 hours. Another pipe can fill the pool in 4 hours alone. How long will it take to fill the pool if both pipes are open
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
1/3+1/4=1/x
4/12+3/12=1/x
7/12=1/x
x=12/7

RELATED QUESTIONS
An inlet pipe can fill an empty swimming pool in 5 hours, and another inlet pipe can fill (answered by josgarithmetic)

One inlet pipe can fill an empty pool in 4 hours, and a drain can empty the pool in 8... (answered by josmiceli)

one inlet pipe can fill an empty pool in 4 hours, and a drain can empty the pool in 8... (answered by Alan3354)

One inlet pipe can fill an empty pool in 4 hours, and a drain can empty the pool in 10... (answered by stanbon,mananth)

An inlet pipe can fill an empty swimming pool in 7 hours, and another inlet pipe can fill (answered by ikleyn)

To fill a swimming pool requires 4 hours if water enters through an inlet pipe... (answered by josgarithmetic)

One inlet pipe can fill an empty pool in 6 hours, and a drain can empty the pool in 9... (answered by ewatrrr)

One inlet pipe can fill an empty pool in 8 hours, and a drain can empty the pool in 16... (answered by josgarithmetic)

One inlet pipe can fill an empty pool in 6 hours, and a drain can empty the pool in 10... (answered by greenestamps,josgarithmetic)