SOLUTION: A rectangular room has an area of 400 sq. ft. The length is 7 ft. less than twice the width. What is the dimensions of the room?

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Question 348232: A rectangular room has an area of 400 sq. ft. The length is 7 ft. less than twice the width. What is the dimensions of the room?
Answer by nyc_function(2741) About Me  (Show Source):
You can put this solution on YOUR website!
P = 2L + 2W

P = 400

Length = 2x - 7

Width = x

400 = 2(2x - 7) + 2x

Can you finish?