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The perimeter of a bedroom door is 24 feet. the door is 9 feet tall. how wide is it?

The perimeter of a bedroom door is 24 feet. the door is 9 feet tall. how wide is it?
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5 votes
The perimeter of a bedroom door is 24 feet. the door is 9 feet tall. how wide is it?

User Guilherme Rambo
by
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2 Answers

5 votes
The answer to that question is 3 feet wide.
User Ironluca
by
8.4k points
5 votes
P = 2(L + W)
P = 24
L = 9

24 = 2(9 + W)
24 = 18 + 2W
24 - 18 = 2W
6 = 2W
6/2 = W
3 = W <=== so the width is 3 ft
User Lee Quarella
by
8.0k points
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