Question

A medium water hose can fill a pool in 30 minutes. A larger water hose can fill the same pool in 20 minutes. If both hoses are turned on at the same time, how long will it take to fill the pool?

Answer 1

If the medium hose can fill the pond in 30 mn, then in 1 minute it would fill ...... of the pool
If the larger hose can fill the pool in 20 minutes, then in 1 minute it would fill..... of the pool.

If both are turned on at the same, then in one minute it wouñd fill .... of the pool.

Then, you can calculate the time to fill the pool