SOLUTION: One inlet pipe can fill an empty pool in 6 hours, and a drain can empty the pool in 9 hours. How long will it take the pipe to fill the pool if the drain is left open?

Question 391456: One inlet pipe can fill an empty pool in 6 hours, and a drain can empty the pool in 9 hours. How long will it take the pipe to fill the pool if the drain is left open?

Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!



Hi, 

Question states:  Per hour being the equalizer        

 1/6hr - 1/9hr = 1/x  |Mulitplying each term by 18x so as all denominators=1

  3x - 2x = 18

    x = 18hr

     

  

RELATED QUESTIONS

One inlet pipe can fill an empty pool in 6 hours, and a drain can empty the pool in 10... (answered by greenestamps,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)
One inlet pipe can fill an empty pool in 8 hours, and a drain can empty the pool in 16... (answered by josgarithmetic)
An inlet pipe on a swimming pool can be used to fill the pool in
6 hours. The drain pipe  (answered by macston,josgarithmetic)
An inlet pipe on a swimming pool can be used to fill the pool in 6 hours. The drain pipe... (answered by Boreal)
An inlet pipe on a swimming pool can be used to fill the pool in 6 hours. The drain pipe... (answered by ikleyn)
Solve and verify your answer. 

One inlet pipe can fill an empty pool in 6 hours, and a  (answered by ikleyn)