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

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Question 316615: the perimeter of a basketball court is 84meters and the length is 6 meters longer than twice the width. what are the length and width?
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
L=2W+6
P=2L+2W
84=2(2W+6)+2W
84=4W+12+2W
84=6W+12
6W=84-12
6W=72
W=72/6
W=12 ans. for the width.
L=2*12+6=24+6=30 ans. for the length.
Proof:
84=2*30+2*12
84=60+24
84=84