SOLUTION: The outside dimensions of a picture frame are 28 cm and 23 cm. The area of the picture frame 414 sq.cm. Find the width of the frame itself.

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: The outside dimensions of a picture frame are 28 cm and 23 cm. The area of the picture frame 414 sq.cm. Find the width of the frame itself.      Log On


   

Question 1194752: The outside dimensions of a picture frame are 28 cm and 23 cm. The area of the picture
frame 414 sq.cm. Find the width of the frame itself.
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
width of the frame, w.

Area of the picture inside the frame, %2828-2w%29%2823-2w%29=414; and you might be able to find the two factorizations for 414, since the two factors should have a difference of 5.


(maybe 18 and 23, the two factors)
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