# The perimeter of a rectangle is 310 m. The length is 25 m greater than the width. What are the length and the width of this rectangle?

##### 1 Answer

Width: **65 m**

Length: **90 m**

#### Explanation:

The *perimeter* of a reactangle is given by the formula

You know that the length of the rectangle is **25 m** greater than it width. In other words, if you add 25 meters to the rectangle's width, you get its length.

This can be written as

The perimeter will be equal to

This means that the width of the rectangle will be

The length of the rectangle will be

Check to see if the values you got are correct