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15-04-2021
Mathematics

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The length of a rectangle is four times the width minus three. If the perimeter of the rectangle is 64 meters, what is the length?

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thebecks thebecks

15-04-2021

Answer:

L = 25 m

Step-by-step explanation:

L = 4W - 3

perimeter = 2(L + W)

64 = 2(4W - 3 + W)

divide both sides by 2:

32 = 5W - 3

add 3 to each side:

5W = 35

divide both sides by 5:

W =7

L = 4(7) - 3 = 25

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