<PRE><B>Question 963732</B>
W=width; L=length=W+50ft; P=perimeter=300 feet
P=2(L+W)Substitute for L.
300 feet=2(W+50ft+W) Divide each side by 2.
150 feet=2W+50ft Subtract 50 feet from each side.
100 feet=2W Divide each side by 2
50 feet=W The width is 50 feet.
L=W+50ft=50ft+50ft=100 feet ANSWER: The length is 100 feet.
CHECK:
P=2(L+W)
300ft=2(100ft+50ft)
300ft=2(150ft)
300ft=300ft
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