document.write( "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. \n" ); document.write( "

Algebra.Com's Answer #754639 by josgarithmetic(39617) $\"\"$ $\"About$

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u, the length removed from each dimension\r
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\n" ); document.write( "\n" ); document.write( " $\"%2817-u%29%2814-u%29=108\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"108=9%2A12\"$ ----------corresponding to factors differing by 3.\r
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\n" ); document.write( "\n" ); document.write( " $\"14-u=9\"$
\n" ); document.write( " $\"-u=9-14\"$
\n" ); document.write( " $\"u=14-9=highlight%285%29\"$ \n" ); document.write( "

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