SOLUTION: A rectangular pience of land has an area of 24 square miles. The length of the property is one mile less than three times the width. What are the dimensions of the property?

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Question 688875: A rectangular pience of land has an area of 24 square miles. The length of the property is one mile less than three times the width. What are the dimensions of the property?
Answer by checkley79(3341) About Me  (Show Source):
You can put this solution on YOUR website!
A=LW
L=3W-1
24=(3W-1)W
24=3W^2-W
3W^2-W-24=0
(3W+8)(W-3)=0
W-3=0
W=3 ANS. FOR THE WIDTH.
L=3*3-1
L=9-1=8 ANS. FOR THE LENGTH.
PROOF:
24=3*8
24=24