Question

The width of a rectangle is 8 inches shorter than its length. The perimeter of the rectangle is 18 inches. What are the length and width? Which equation models this problem? A. 8 • l = 18 – 8 B. 2l + 2(l – 8) = 18 C. l + (8 + 2l) = 18 D. l(l – 8) = 18

Answer 1

B

Explanation:

Let length be l

Width, w=l-8

Perimeter = 2(l+w) = 2l+2w

2l+2(l-8)=18