The Sparkling House Cleaning Company has cleaned 28 houses this week. If this number repesents 40% of the total number of houses the company is contracted to clean, how many total houses will the company clean by the end of the week?
If the company completed
Then you can get
It means they have to clean
Your answer is
This can be answered by using direct proportion.
Any percent question can be done this way.
We know that
We want to know the total number of houses - the
Write them as a proportion:
You could also write the proportion like this: