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What is a function rule for the perimeter P of a rectangle if its width, w, is four times its

length, l?
(1 point
P = 4l
P = 4w
P = 10l
P = 10

1 answer

P = 2 w + 2 L
= 2 w + 2 (4 w)
= 2 w + 8 w
= 10 L

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