# SOLUTION: Hello and thank you, could anybody please help me figure out this: Suppose that the length of a rectangle is three cm longer than twice the width and that the perimeter of the rec

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 Question 466365: Hello and thank you, could anybody please help me figure out this: 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.I have to set up an equation for the perimeter involving only W.Answer by stanbon(57377)   (Show Source): You can put this solution on YOUR website!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.I have to set up an equation for the perimeter involving only W. -------------------- Let the width be "w". Then the length is "2w+3" ---- Perimeter = 2(length + width) --- P = 2(2w+3 + w) --- P = 2(3w+3) Perimeter = (6w + 6) cm ========================== Cheers, Stan H. ===========