SOLUTION: The plans for a rectangluar deck call for the width to be 10 feet less than the length. Sam wants the deck to have an overall perimeter of 64 feet. What should the length of the de

Algebra ->  Customizable Word Problem Solvers  -> Misc -> SOLUTION: The plans for a rectangluar deck call for the width to be 10 feet less than the length. Sam wants the deck to have an overall perimeter of 64 feet. What should the length of the de      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 294918: The plans for a rectangluar deck call for the width to be 10 feet less than the length. Sam wants the deck to have an overall perimeter of 64 feet. What should the length of the deck be?
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
W=L-10
P=2L+2W
64=2L+2(L-10)
64=2L+2L-20
64=4L-20
4L=64+20
4L=84
L=84/4
L=21 FT.
W=21-10
W=11 ANS.
PROOF:
64=2*21+2*11
64=42+22
64=64