# The length of a rectangle is 3.5 inches more than its width. The perimeter of the rectangle is 31 inches. How do you find the length and width of the rectangle?

##### 1 Answer

Length= 9.5", Width = 6"

#### Explanation:

Start off with the perimeter equation: P =

Then we solve for

In order to find the length we simply plug the new found information of width into our original perimeter equation. So :

Finally we need to check our equation to make sure everything works so ask yourself is