length + width = 20/2 = 10 length = 7cm, width = 3cm
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Length = (Perimeter - twice width) / 2
The dimensions work out as length 15 units and width 8 units Check: 2*(15+8) = 46 units which is its perimeter
perimeter 24 so length + width half of that ie 12. Length 3 times width must be 9 and width 3.
108 feet is the perimeter of a rectangle with a length of 50 feet and a width of 4 feet.
The width of the rectangle would be 32.5 meters.