The perimeter of a rectangle is 5 times the length. The width is 6 cm more than the length. Find the length, the width, and the perimeter.

Respuesta :

The length is 12.  The width is 18.  The perimeter is 60.

Perimeter (p) =2x length (L) + 2x width (W).  The W = L+6
P=5xL
5L=4L+12
L=12