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