Question 534065
The perimeter of a rectangle is 28mm. The length of the rectangle is 4mm less than twice the width. Find the length of the rectangle.
I came up with this
Let width be "w"
The length is 2w-4
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P = 2L+2W
28 = 2(2w-4)+ 2w
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14 = 2w-4 + w
3w = 18
width = 6 mm
length = 2w-4 = 2*6-4 = 8 mm
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Cheers,
Stan H.