Help finding width

Question

The length of a rectangle is four times its width. If the perimeter of the rectangle is 80yd, find its area.

Answer 1

Hello Dfghgrter.

the length is 4x

the width is x;

the perimeter is 4x +x +4x +x =80;

10x =80; x =10.

width = 10; length = 4times width = 10*4=40