# 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?

##### 2 Answers

#### Explanation:

If the company completed

It means

where,

Then you can get

It means they have to clean

Your answer is

#### Explanation:

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: