Question 314442
A rectangle is five times as long as it is wide. If the perimeter of the rectangle 240cm, write an equation and solve it to find its length and width. 

let width be xcm
length = 5x
..
Perimeter = 2L+2W
240=2x+2*5x
240 =12x
x=20 the width
length = 5x= 100 cm