SOLUTION: The length of a picture frame is 3 inches more than its width. The perimeter of the frame is 34 inches. Find the length and width of the frame

Algebra ->  Rectangles -> SOLUTION: The length of a picture frame is 3 inches more than its width. The perimeter of the frame is 34 inches. Find the length and width of the frame       Log On


   



Question 850483:
The length of a picture frame is 3 inches more than its width. The perimeter of the frame is 34 inches. Find the length and width of the frame

Answer by checkley79(3341) About Me  (Show Source):
You can put this solution on YOUR website!
P=2L+2W
L=W+3
34=2(W+3)+2W
34=2W+6+2W
4W=34-6
4W=28
W=28/4
W=7 INCHES FOR THE WIDTH.
L=7+3=10 INCHES FOR THE LENGTH.
PROOF:
34=2*10+2*7
34=20+14
34=34