SOLUTION: A tract of land is rectangular, and the length is twice the width. The area in square miles is equal to the perimeter in miles. Determine dimensions. Partial attempt: Area

Question 1053895: A tract of land is rectangular, and the length is twice the width. The area in square miles is equal to the perimeter in miles. Determine dimensions.
Partial attempt:
Area = Length * Width
Perimeter = 2L + 2W
Length = 2W
Area = Perimeter
Unsure bow to continue. Thanks.
Found 3 solutions by KMST, addingup, MathTherapy:
Answer by KMST(5328)   (Show Source): You can put this solution on YOUR website!

Since is not zero, the equation simplifies to ,
meaning ,
and or .
So, the tract is 6 miles long and 3 miles wide.
That makes the perimeter 18 miles, and the area 18 square miles.
Answer by addingup(3677)   (Show Source): You can put this solution on YOUR website!
You have done what can be done. You need more information. The length of a side for example.
:
W*2W = Area
2W+2(2W) = Perimeter
:
John
Answer by MathTherapy(10556)   (Show Source): You can put this solution on YOUR website!

A tract of land is rectangular, and the length is twice the width. The area in square miles is equal to the perimeter in miles. Determine dimensions.
Partial attempt:
Area = Length * Width
Perimeter = 2L + 2W
Length = 2W
Area = Perimeter
Unsure bow to continue. Thanks.

Width: W
Length: 2W
Area:
Perimeter: 2(W + 2W), or 2(3W), or 6W
Area = Perimeter, so:
You should be able to find the length.
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