SOLUTION: The outside of a picture frame measures 8in by 12in. 60^2 of the picture shows. Find the thickeness of the frame.
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Question 378151: The outside of a picture frame measures 8in by 12in. 60^2 of the picture shows. Find the thickeness of the frame.
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
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The outside area would be
So the frame area is,
In terms of , the frame area is
Equate the two,
Two solutions:
The second solution (x=9) would not make sense since the frame is only 8 inches wide.
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