Question

A rectangle's width is w cm. The length is 2 cm less than 8 times the width. The perimeter is 50 cm. Find the length and width if the rectangle.

Please help!

Answer 1

50=2w+2(8w-2)
50=2w+16w-4
50=18w-4
54=18w
3=w
L=8w-2
L=24-2
L=22
check: 22+22+3+3=44+6=50

Answer 2

Width=4.7777778
Length=20.2222222