3. A rectangle has a perimeter of 48 inches. The length of the rectangle is 4 inches shorter
than 3 times its width. The equation below shows the perimeter of the rectangle in terms of
x, the rectangle's width.
2 (x) + 2 (3.2 -
4) = 48
What does 3-4 represent in the equation?
A. the width of the rectangle
B. the length of the rectangle
C. the perimeter of the rectangle
D. the number of sides of the rectangle