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
llm
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