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

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Question 45045: A rectangular bedroom is 7 ft longer than it 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+-+12%29%28w+%2B+19%29+=+0
w = 12 or w = -19
Width can not be expressed with a negative measurement.
w = 12
lenght = w + 7 = 12 + 7 = 19
19 x 12