SOLUTION: suppose that the width of a rectangle is 2 inches shorter than the length and that the perimeter of the rectangle is 80. set up an equation for the perimeter involving only L, the

Algebra ->  Linear-equations -> SOLUTION: suppose that the width of a rectangle is 2 inches shorter than the length and that the perimeter of the rectangle is 80. set up an equation for the perimeter involving only L, the       Log On


   

Question 149791This question is from textbook blitzer college algebra
: suppose that the width of a rectangle is 2 inches shorter than the length and that the perimeter of the rectangle is 80. set up an equation for the perimeter involving only L, the length of the rectangle. This question is from textbook blitzer college algebra

Answer by vleith(2983) About Me  (Show Source):
You can put this solution on YOUR website!
Given width = length -2 or W = L-2
Perimeter = 80
Perimeter = 2W + 2L
Perimeter = 2(L-2) + 2L
Perimeter = 2L - 4 + 2L
Perimeter = 4L -4