Question

A watercolor painting is 19 inches long by 11 inches wide. Ramon makes a border around the watercolor painting by making a mat that adds 1 inch to each side of the length and the width. What is the area of the mat?

Answer 1

240
`inches^(2)`

Explanation:

11 + 1 = 12

19 + 1 = 20

12 x 20 = 240