SOLUTION: A yard has a perimeter of 400 meters. Write an equation for the area of the yard if the width has a length of x. Can you please show steps...?

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Question 342055: A yard has a perimeter of 400 meters. Write an equation for the area of the yard if the width has a length of x. Can you please show steps...?
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
W=X
P=2L+2X
400=2L+2X
2X=400-2L
X=(400-2L)/2
X=200-L
THUS:
A=LX
A=L(200-L)
A=200L-L^2 ANS.