# Chloe swam 40 laps in the pool, but this was only 50% of her total swimming workout. How many more laps does she still have to do?

##### 2 Answers

#### Explanation:

What we know:

What we would like to know:

How many more laps she has to swim, we will call this

She has done

Cross multiply:

Now that we know the total amount of laps we can subtract this from the amount she has already completed.

She has

She still has another

#### Explanation:

If she has completed

This means she still has another