SOLUTION: the perimeter og a rectangle is 40m. the length of the rectangle is 4m less than twice the width. find the length
Algebra ->
Rectangles
-> SOLUTION: the perimeter og a rectangle is 40m. the length of the rectangle is 4m less than twice the width. find the length
Log On
Question 130560: the perimeter og a rectangle is 40m. the length of the rectangle is 4m less than twice the width. find the length Answer by checkley71(8403) (Show Source):
You can put this solution on YOUR website! L=2W-4
2W+2(2W-4)=40
2W+4W-8=40
6W=40+8
6W=48
W=48/6
W=8 FOR THE WIDTH.
L=2*8-4=16-4=12 FOR THE LENGTH.
PROOF
2*8+2*12=40
16+24=40
40=40
(