Question

One hose can fill a small swimming pool in 35 minutes. A larger hose can fill the pool in 45 minutes. How long will it take the two hoses to fill the pool working

together?
Do not do any rounding.
minutes
?

Answer 1

• 19.6875 minutes

Explanation:

Find the required time:

• 1 / (1/35 + 1/45) =
• 1 / (9 + 7)/(9*35) =
• 315/16 =
• 19.6875 minutes