Width = X-yds.
Length = 2X-yds.
Area = 2X * X = 578 yds^2.
2x^2 = 578,
x^2 = 289,
X = 17 yds.
2X = 2*17 = 34 yds.
The length of a rectangle is twice the width. The area is 578 yd.^2. Find the length and width.
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