Solve the problem.
-A flat rectangular piece of aluminum has a perimeter of 56 inches. The length is 12 inches longer than the width. Find the width.
A)20 inches
B)32 inches
C)8 inches
D)28 inches

Question

Quizplus · Accepted Answer

The perimeter of a rectangle is given by 2(length + width). Let the width be x inches. Then, the length is x + 12 inches. The equation for the perimeter is 2(x + x + 12) = 56. Simplifying gives 4x + 24 = 56, and solving for x gives x = 8 inches.

Solve the Problem. -A Flat Rectangular Piece of Aluminum Has a Perimeter of a Perimeter