SOLUTION: the perimeter of a basketball court is 84 meters and the length is 6 meters longer than twice the width. what are the length and width

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Question 614670: the perimeter of a basketball court is 84 meters and the length is 6 meters longer than twice the width. what are the length and width
Answer by asuar010(338) About Me  (Show Source):
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the equation for perimeter of a rectangle is 2%28L%2BW%29=84 and l=6%2B2w so we get l%2Bw=84 so we get w%2B6%2B2w=84 then 6%2B3w=84 so w=12 and the l=42-12=30