SOLUTION: The width of a rectangular flower bed is 3 meters less than its length. The area of the flower bed is 18 square meters. What is the width of the flower bed?

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Question 862690:
The width of a rectangular flower bed is 3 meters less than its length. The area of the flower bed is 18 square meters. What is the width of the flower bed?

Answer by checkley79(3341) About Me  (Show Source):
You can put this solution on YOUR website!
W=L-3
AREA=LW
18=L(L-3)
18=L^2-3L
L^2-3L-18=0
(L-6)(L+3)=0
L-6=0
L=6 ANS. FOR THE LENGTH
W=6-3=3 ANS. FOR THE WIDTH.
PROOF:
18=6*3
18=18