SOLUTION: The length of a rectangular back yard is 5 feet less than twice the width. The perimeter of the back yard is 302 feet. What is the width and the length of the back yard

Algebra ->  Rectangles -> SOLUTION: The length of a rectangular back yard is 5 feet less than twice the width. The perimeter of the back yard is 302 feet. What is the width and the length of the back yard      Log On


   



Question 739703:
The length of a rectangular back yard is 5 feet less than twice the width. The perimeter of the back yard is 302 feet. What is the width and the length of the back yard

Answer by checkley79(3341) About Me  (Show Source):
You can put this solution on YOUR website!
L=W-5
P=2L+2W
302=2(W-5)+2W
302=2W-10+2W
4W=302+10
4W=312
W=312/4
W=78 YARDS.
L=78-5=73 YARDS.
PROOF:
302=2*73+2*78
302=146+156
302=302