Question 1008567
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W=width; L=length=10W-21
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A=LW
2533=(10W-21)(W)
2533=10W^2-21W
0=10W^2-21W-2533
0=(10W+149)(W-17)
10W+149=0  -OR-  W-17=0
10W=-149 -OR- W=17
W=-14.9 -OR- W=17
ANSWER 1: Width is 17 yards
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L=10W-21=10(17)-21=170-21=149
ANSWER 2: Length is 149 yards.
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CHECK:
LW=A
(149)(17)=2533
2533=2533
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