annabellemann8 annabellemann8

28-03-2020
Mathematics

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The length of a rectangle is 12 inches more than its width. What is the width of the rectangle if the perimeter is 42 inches?

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Llamaland9 Llamaland9

28-03-2020

Answer:

4.5 inches

Step-by-step explanation:

P = 2L + 2W

L = W + 12

P = 2L + 2W

42 = 2L + 2W

42 = 2(W + 12) + 2W

42 = 2W + 24 + 2W

42 = 4W + 24

18 = 4W

4.5 = W

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