Problema Solution

A rectangle length is 6 meters less than 2 times it's width. The perimeter is 426.

Answer provided by our tutors

let width =w

then length =2w-6

perimeter = 2l+2w

2(2w-6) + 2w = 426

4w-12+2w  = 426

6w-12 = 426

6w = 438

w = 438/6 = 73

l = 2*73 -6 =140