SOLUTION: A rectangle has a length that is twice as long as its width and a perimeter of 36. What is its area?

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Question 608006: A rectangle has a length that is twice as long as its width and a perimeter of 36. What is its area?
Answer by ewatrrr(24785) About Me  (Show Source):
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Hi



length that is twice as long as its width

Let x and 2x represent the width and length respectively

 2x + 2(2x) = 36

      6x = 36

       x = 6, the width, the length is 12 

CHECKING our Answer***

   12 + 24 = 36