SOLUTION: The length of a rectangle is twice its width. If the perimeter of the rectangle is 30 units, what is the width of the rectangle?

Question 242055: The length of a rectangle is twice its width. If the perimeter of the rectangle is 30 units, what is the width of the rectangle?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
The length of a rectangle is twice its width. If the perimeter of the rectangle is 30 units, what is the width of the rectangle?
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Let the width be "x" units.
Then the length is "2x" units.
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Equation:
Perimeter = 2(W + L)
30 = 2(x + 2x)
15 = 3x
x = 5 units (width)
2x = 10 units ( length)
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Cheers,
Stan H.
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