SOLUTION: a larger pipe can empty a pool for 6 hours A smaller pipe can empty the same pool for 9 hours. How long will it take for both pipes to empty the pool? (Show Your Solution)

SOLUTION: a larger pipe can empty a pool for 6 hours A smaller pipe can empty the same pool for 9 hours. How long will it take for both pipes to empty the pool? (Show Your Solution)

Algebra.Com

Question 388415: a larger pipe can empty a pool for 6 hours A smaller pipe can empty the same pool for 9 hours. How long will it take for both pipes to empty the pool? (Show Your Solution)
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
The larger empties 1/6 per hour.
The other empties 1/9 per hour.
Add those, total per hour.
The inverse = hours/total.
RELATED QUESTIONS
A large pipe can empty the pool in 6 hours and a small pipe can empty the same pool in 9... (answered by josmiceli)

A larger pipe can empty a pool in 6 hrs and a smaller pipe can empty the same pool in 9... (answered by josmiceli)

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

A pipe can fill a pool in 9 hours and another pipe can empty the pool in 12 hours. If... (answered by josmiceli)

Two pipes can empty pool in 3 hours. If the smaller pipe can empty it in 10 hours alone,... (answered by josmiceli)

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)