SOLUTION: the length of a rectangle is 3cm. longer than twice the width and the perimeter of the rectangle is 90cm. Set up an equation for the perimeter involving only w

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Question 395158: the length of a rectangle is 3cm. longer than twice the width and the perimeter of the rectangle is 90cm. Set up an equation for the perimeter involving only w
Answer by mananth(16946) About Me  (Show Source):
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the length of a rectangle is 3cm. longer than twice the width and the perimeter of the rectangle is 90cm. Set up an equation for the perimeter involving only w
...
width = w
length = 2w+3
...
Perimeter = 90
2*(w+2w+3)=90
2*(3w+3)=90
...
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