SOLUTION: Please solve this. A rectangular solar panel has a length that is 12 inches shorter than 3 times its width. if the perimeter of the panel is 176 inches, what are the dimensions

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: Please solve this. A rectangular solar panel has a length that is 12 inches shorter than 3 times its width. if the perimeter of the panel is 176 inches, what are the dimensions      Log On


   



Question 979625: Please solve this.
A rectangular solar panel has a length that is 12 inches shorter than 3 times its width. if the perimeter of the panel is 176 inches, what are the dimensions of the panel?
Width of the panel is?
length of the panel is?
Thanks!

Answer by Cromlix(4381) About Me  (Show Source):
You can put this solution on YOUR website!
Hi there,
make the width = x
so the length is = 3x - 12
Perimeter = 2 x Length + 2 x Width
176 = 2(3x - 12) + 2x
176 = 6x - 24 + 2x
Collect like terms
6x + 2x = 176 + 24
8x = 200
x = 25
Width = 25 inches
Length = 63 inches
Hope this helps:-)