SOLUTION: A picture is 2.5 m long by 2.0m wide. It is held by a frame of uniform width around its ouside edge. If the picture itself(without the frame) is 4 m^2, what is the width of the fra
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Question 105230: A picture is 2.5 m long by 2.0m wide. It is held by a frame of uniform width around its ouside edge. If the picture itself(without the frame) is 4 m^2, what is the width of the frame to the nearest centimeter?
I have the worst time trying to figure out these types of problems.
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
let w="width of frame" ... (2.5-2w)(2-2w)=4 ... 5-9w+4w^2=4
4w^2-9w+1=0 ... use quadratic formula to find w
the answer will be in meters; multiply by 100 to get centimeters
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