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The length of a rectangle is 3inches more than its width if the perimeter is 42inches find the dimensions of the rectangle
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The length of a rectangle is 3inches more than its width if the perimeter is 42inches find the dimensions of the rectangle

User Epicwhale
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Let w+3 = length of rectangle
Let w = width of rectangle

42=2(w)+2(w+3)
42=2w+2w+6
42=4w+6
36=4w
9=w

9+3=12

The length is 12inches and the width is 9 inches
User Mathewbutler
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