840 meters of wire is required to fence a rectangular plot. The plot is 180 meters wide. What is the length?
To fence in the rectangular plot means to go around the perimeter.
Perimeter of a rectangle = 2(width) + 2(length) x = length 840 = 2(180) + 2x {substituted 840 in for perimeter and 180 in for width} 840 = 360 + 2x {multiplied} 480 = 2x {subtracted 360 from each side} x = 240 {divided each side by 2} The length is 240 meters Ask Algebra House
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