Question 964762
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W=width; L=length=25; P=perimeter=86
P=2(L+W) This is one formula to find perimeter.
P/2=L+W
(P/2)-L=W Plug in values and solve.
(86/2)-25=W
43-25=W
18=W
CHECK:
P=2(L+W)
86=2(25+18)
86=2(43)
86=86