Question

18.

The perimeter of a rectangle is 42 inches. The length of the rectangle can be represented by x + 4 and its width can be represented by 2x minus 7. What is the width of the rectangle in inches?

8

9

12

10.3

Answer 1

Answer: It’s 8

Explanation:

Answer 2

p=2(l+b) =2(3x-3) =6x=48=x=8