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}

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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.