SOLUTION: A rectangular bedroom is 7 ft longer than is wide. Its area is 228 ft (square) What is the width of the room??

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Question 45433: A rectangular bedroom is 7 ft longer than is wide. Its area is 228 ft (square) What is the width of the room??
Answer by Nate(3500) About Me  (Show Source):
You can put this solution on YOUR website!
width = w
length = w + 7
lw+=+area
w%5E2+%2B+7w+=+228
w%5E2+%2B+7w+-+228+=+0
%28w+%2B+19%29%28w+-+12%29+=+0
w = -19 or w = 12
The width can not be expressed as a negative measurement.
The width is twelve feet.