SOLUTION: A rectangular flower bed is eight feet longer than it is wide. If the area of the flower bed is 84 square feet, find the width and the length of the flower bed.
Algebra ->
Rectangles
-> SOLUTION: A rectangular flower bed is eight feet longer than it is wide. If the area of the flower bed is 84 square feet, find the width and the length of the flower bed.
Log On
Question 324483: A rectangular flower bed is eight feet longer than it is wide. If the area of the flower bed is 84 square feet, find the width and the length of the flower bed. Answer by checkley77(12844) (Show Source):
You can put this solution on YOUR website! L=W+8
A=LW
84=(W+8)W
84=W^2+8W
W^2+8W-84=0
(W+14)(W-6)=0
W-6=0
W=6 ANS. FOR THE WIDTH.
L=6+8=14 ANS. FOR THE LENGTH.
PROOF:
84=6*14
84=84