# A rectangular garden 42 by 20 feet is surrounded by a walk way of uniform width. If the total area of the garden and walkway is 1248 square feet, what is the the width of the walkway?

##### 2 Answers

Sep 10, 2015

I found

#### Explanation:

You can take the total area

So:

Sep 10, 2015

The walkway is

#### Explanation:

Define

Area of garden (including walkway)

With some basic algebra and arithmetic:

and (since the width can't be a negative number)