SOLUTION: The length of a rectangle is 3 cm more than twice its width. If the perimeter of the rectangle is 36 cm, find the dimensions of the rectangle
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Question 985171: The length of a rectangle is 3 cm more than twice its width. If the perimeter of the rectangle is 36 cm, find the dimensions of the rectangle
Answer by ikleyn(52781) (Show Source): You can put this solution on YOUR website!
Let the width is x cm.
Then the length is 2x+3 cm.
The equation is
2x + 2*(2x + 3) = 36.
Simplify and solve it:
2x + 4x + 6 = 36,
6x = 36-6,
6x = 30.
x = 5 cm (the width).
2x+3 = 10+3 = 13 cm (the length).
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