Solve.
-To trim the edges of a rectangular table cloth, 60 feet of lace are needed. The length of the table cloth is exactly one-half its width. What are the dimensions of the table cloth?
A) length: 10 feet; width: 20 feet
B) length: 20 feet; width: 10 feet
C) length: 5 feet; width: 10 feet
D) length: 20 feet; width: 40 feet

Question

Quizplus · Accepted Answer

The perimeter of the table cloth is 2(length + width) = 60 feet. Given length = 1/2 width, let width = 2x, then length = x. Substituting these into the perimeter equation gives 2(x + 2x) = 60, simplifying to 6x = 60, so x = 10. Therefore, the length is 10 feet and the width is 20 feet.

Solve. -To Trim the Edges of a Rectangular Table Cloth, 60