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

Algebra.Com
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)   (Show Source): You can put this solution on YOUR website!
 
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
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