document.write( "Question 383980: The length of a rectangle is 4 inches more than its width. If the area of the rectangle is 77 square inches what is its length? \n" ); document.write( "
Algebra.Com's Answer #271894 by richard1234(7193)\"\" \"About 
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Suppose the width is w and the length is 4+w. We have\r
\n" ); document.write( "\n" ); document.write( "\"w%284+%2B+w%29+=+77\"\r
\n" ); document.write( "\n" ); document.write( "\"w%5E2+%2B+4w+-+77+=+0\"\r
\n" ); document.write( "\n" ); document.write( "This factors to\r
\n" ); document.write( "\n" ); document.write( "\"%28w+%2B+11%29%28w+-+7%29+=+0\"\r
\n" ); document.write( "\n" ); document.write( "Therefore the only (positive) root is w = 7. Therefore the length is 11.
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