SOLUTION: The length of a rectangle is 3ft more than 5 times its width. If the perimeter is 54ft, what are the dimensions?

Algebra ->  Rectangles -> SOLUTION: The length of a rectangle is 3ft more than 5 times its width. If the perimeter is 54ft, what are the dimensions?      Log On


   



Question 804801: The length of a rectangle is 3ft more than 5 times its width. If the perimeter is 54ft, what are the dimensions?
Answer by erica65404(394) About Me  (Show Source):
You can put this solution on YOUR website!
L=5W+3
P=2L+2W
54=2L+2W
plug in L
54=2(5W+3)+2W
54=10W+6+2W
54=12W+6
48=12W
W=4
plug W into L=5W+3
L=5(4)+3
L=23
The length is 23ft and the width is 4ft