Problema Solution

a swimming pool can be filled up by pipe A in 6 1/2 hours, while pipe B can fill it in 8 hours. How long can the pool be filled by both pipes together?

Answer provided by our tutors

The time to fill the pool by both pipes together is x

The equation is

1/(6 1/2) + 1/8 = 1/x

So

x = 104/29

So the time to fill the pool by both pipes together is 104/29 hours