SOLUTION: A rectangle-shaped danced floor has a perimeter of 200 feet. If the floor would be 20 feet wider, its width would equal its length. Find the length and the width of the dance floor

Algebra ->  Angles -> SOLUTION: A rectangle-shaped danced floor has a perimeter of 200 feet. If the floor would be 20 feet wider, its width would equal its length. Find the length and the width of the dance floor      Log On


   

Question 318419: A rectangle-shaped danced floor has a perimeter of 200 feet. If the floor would be 20 feet wider, its width would equal its length. Find the length and the width of the dance floor
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
For a rectangle,
P=2L%2B2W=200
L%2BW=100
.
.
.
L=W%2B20
Substitute into the perimeter equation,
W%2B20%2BW=100
2W=80
highlight%28W=40%29
L=40%2B20
highlight%28L=60%29