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14-09-2020
Mathematics

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Learn with an example
The perimeter of a rectangular deck is 214 feet. It is 42 feet wide. How long is it?

Respuesta :

14-09-2020

Answer:

65 feet = L

Step-by-step explanation:

set up equation

P = 2L + 2W

plug in W

214 = 2L + 2(42)

multiply

214 = 2L + 84

subtract 84

130 = 2L

divide by 2

65 = L

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