# If the width of rectangle is 5 cm more than one-half of its length the perimeter is 70 cm, what are the dimensions of the rectangle?

##### 1 Answer

Dec 4, 2016

The length is 20 cm and the width is 15 cm

#### Explanation:

First, let's call the width of our rectangle

From the problem we know:

We also know the formula for the perimeter of a rectangle is:

So we can substitute

Now we can substitute