Question

Choose what the expressions below best represent within the context of the word problem.The length of a rectangle is 12 inches more than its width. What is the width of the rectangle that if the perimeter is 42 inches?

Answer 1

L=16.5 inches

Explanation:

L=W+12

P= 2L+2W

P=2(W+12)+2W

42=4W+24

4W=42-24

W=18/4=4.5

L=12+4.5=16.5 inches