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08-04-2020
Mathematics

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George is putting trim around his rectangular deck, including the gate. He will need 42 feet of trim to do the entire deck. If the deck is 12 feet long, how wide is the deck?

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08-04-2020

Perimeter = 2L + 2W
42 = 2(12) + 2W
42 = 24 + 2W
-24 -24
18 = 2W
/2 /2
9 = W
The answer is 9 feet wide

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