Perimeter of a rectangle is 15x+17y if the length is 7/2x+7y then find the width of the rectangle

Mathematics · Middle School · Tue Nov 03 2020

Answered on

Given :

Perimeter = 15x + 17y

Length = 7/2 x + 7y

Width = ?

We know, Perimeter = 2(L +W)

15x + 17y = 2(7/2 x + 7y + W)

15x + 17y = 7x + 14y + 2W

2W = 15x - 7x + 17y - 14y

2W = 8x + 3y

W = (8x+3y)/2