The length of a rectangle is three times longer than its width. The perimeter of the rectangle is 16 feet. If x represents the width of the rectangle in feet, which equation can be used to find its value? 3x + x = 16 (3x)(x) = 16 3x + 3x + x + x = 16 3x + 3x + x = 16
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The length of a rectangle is three times longer than its width. The perimeter of the rectangle is 16...
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