Use the appropriate formula to solve the problem.
-The length of a rectangular billboard is 7 inches more than the width. The perimeter of the billboard is 138 inches. Find the width of the billboard.
A) 7 in.
B) 38 in.
C) 34 in.
D) 31 in.

Question

Quizplus · Accepted Answer

Let the width be x inches. Then the length is x + 7 inches. The perimeter is given by 2(width + length) = 138. So, 2(x + x + 7) = 138. Solving for x gives x = 31 inches.

Use the Appropriate Formula to Solve the Problem