SOLUTION: A drain can empty a swimming pool in 8 days. A second drain can empty the same pool in 4 days. In how much time will the two drains working together empty the pool?

SOLUTION: A drain can empty a swimming pool in 8 days. A second drain can empty the same pool in 4 days. In how much time will the two drains working together empty the pool?

Algebra.Com

Question 151817: A drain can empty a swimming pool in 8 days. A second drain can empty the same pool in 4 days. In how much time will the two drains working together empty the pool?
Answer by jojo14344(1513) (Show Source): You can put this solution on YOUR website!
Remember:
= drain 1, 8 days
= drain 2, 4days
If work together,
=
=
= = ---------------> If 2 work together
Thank you,
Jojo
RELATED QUESTIONS
A drain can empty a swimming pool in 8 days. A second drain can empty this pool in 4... (answered by oberobic)

a drain can empty a swimming pool in 16days. A second drain can empty the pool in 8 days... (answered by ptaylor)

a drain can empty a swimming pool in 16 days. A drain can empty this pool in 8 days. In... (answered by robertb)

1.)A drain can empty a swimming pool in 21 days. A second drain can empty this pool in 7... (answered by Alan3354)

With drain pipes A and B open, a swimming pool can be emptied in 1.5 hours. If drain pipe (answered by richwmiller)

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)

A drain can empty a pool in 6 hours. Another drain takes 3 more hours to empty the pool... (answered by ptaylor)

A swimming pool is to be filled using two pipes that individually can fill the pool in 8... (answered by scott8148)