SOLUTION: Suppose that the length of a rectangle is three cm longer than twice the width and that the perimeter of the rectangle is 90 cm.
Set up an equation for the perimeter involving o
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Question 280089: Suppose that the length of a rectangle is three cm longer than twice the width and that the perimeter of the rectangle is 90 cm.
Set up an equation for the perimeter involving only w, the width of the rectangle.
Solve this equation algebraicially to find the length of the rectangle. Find the width as well.
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
2w+2(2w+3)=90
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