SOLUTION: Perimeter of rectangle is 90 length is 6x and width is 2x. What is the length of the longest side

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Question 551327: Perimeter of rectangle is 90 length is 6x and width is 2x. What is the length of the longest side
Answer by Earlsdon(6294)   (Show Source): You can put this solution on YOUR website!
For a rectangle, the perimeter, P, is given by:
Substitute , , and
Simplify.


The longest side is 6x, so...


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