Question

The length of a rectangle is 4 inches more than its width, and its perimeter is 36 inches. Find the width of the rectangle.

11?

Answer 1

if w is the width,what is the length?

Answer 2

\[P = 2(l + w)\]\[P = 2(w + 4 + w)\]\[36 = 2(2w + 4)\]\[\frac{36}{2} = \frac 22(2w + 4)\]\[18 = 2w + 4\]Solve for w and there is your width.

Answer 3

7

Answer 4

Yup :) Good job!