SOLUTION: A rectangle is 9 inches long. its width is 2 times the amount of the length. what is the perimeter of the rectangle? use the formula below and show your work 2x{l+w}

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Question 838829: A rectangle is 9 inches long. its width is 2 times the amount of the length. what is the perimeter of the rectangle? use the formula below and show your work
2x{l+w}
Answer by mxgirl22(39) About Me  (Show Source):
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A rectangle is 9 inches long. its width is 2 times the amount of the length. what is the perimeter of the rectangle? use the formula below and show your work
2x{l+w}
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1.) Get key information from question.

length is 9 inches
width is 2 times the length
perimeter of rectangle?

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2.) Write what length and width equal.

Let l=length
Let w=width
From step 1.) We know l=9
Also from step 1.) We know w=2(9) which is 18

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3.) Use the formula given and plug in the information from step 2.

2x{l+w}
2x{9+18}
2x{27}
=54

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4.) Answer.

The perimeter of the rectangle is 54 inches.