SOLUTION: A rectangular piece of cardboard measures 17cm by 14cm. Strips of equal width are cut off one side and one end. The area of the remaining piece is 108cm^2. Find the width of the st

Algebra ->  Customizable Word Problem Solvers  -> Geometry -> SOLUTION: A rectangular piece of cardboard measures 17cm by 14cm. Strips of equal width are cut off one side and one end. The area of the remaining piece is 108cm^2. Find the width of the st      Log On

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Question 1136808: A rectangular piece of cardboard measures 17cm by 14cm. Strips of equal width are cut off one side and one end. The area of the remaining piece is 108cm^2. Find the width of the strips removed.
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
u, the length removed from each dimension

%2817-u%29%2814-u%29=108

108=9%2A12----------corresponding to factors differing by 3.

14-u=9
-u=9-14
u=14-9=highlight%285%29