document.write( "Question 1126306: A rectangle has an area of 369
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\n" ); document.write( " square inches and a length which is five inches more than four times the width. Find the length and the width of the rectangle.
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Algebra.Com's Answer #742624 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "let a length be \"L\" and width \"W\"\r
\n" ); document.write( "\n" ); document.write( " A rectangle has an area \"A=L%2AW\"....\r
\n" ); document.write( "\n" ); document.write( "given:\r
\n" ); document.write( "\n" ); document.write( "\"A=369in%5E2\"=>\"369in%5E2=L%2AW\"\r
\n" ); document.write( "\n" ); document.write( "a length which is five inches more than four times the width, so we have\r
\n" ); document.write( "\n" ); document.write( "\"L=4W%2B5in\"....eq1\r
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\n" ); document.write( "\n" ); document.write( "\"369=L%2AW\"...substitute \"L\"\r
\n" ); document.write( "\n" ); document.write( "\"369=%284W%2B5%29%2AW\"\r
\n" ); document.write( "\n" ); document.write( "\"369=4W%5E2%2B5W\"\r
\n" ); document.write( "\n" ); document.write( "\"4W%5E2%2B5W-369=0\"\r
\n" ); document.write( "\n" ); document.write( "\"%28W+-+9%29+%284+W+%2B+41%29+=+0\"\r
\n" ); document.write( "\n" ); document.write( "we need only positive solution:\r
\n" ); document.write( "\n" ); document.write( "\"%28W+-+9%29+=+0\"=>\"highlight%28W+=9in%29\"\r
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\n" ); document.write( "\n" ); document.write( "go to\r
\n" ); document.write( "\n" ); document.write( "\"L=4W%2B5in\"....eq1 plug in \"W\"\r
\n" ); document.write( "\n" ); document.write( "\"L=4%2A9in%2B5in\"\r
\n" ); document.write( "\n" ); document.write( "\"L=36in\"\r
\n" ); document.write( "\n" ); document.write( "\"highlight%28L=41in%29\"\r
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