document.write( "Question 743309:  The length of a rectangle is 4yd longer than its width. 
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document.write( "If the perimeter of the rectangle is 28yd , find its area. \n" );
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| Algebra.Com's Answer #455315 by tommyt3rd(5050)     You can put this solution on YOUR website! l=w+4 \n" ); document.write( "P=2(l+w)=28\r \n" ); document.write( "\n" ); document.write( "or l+w=14 and so l=14-w\r \n" ); document.write( "\n" ); document.write( "which leads us to\r \n" ); document.write( "\n" ); document.write( "w+4=14-w\r \n" ); document.write( "\n" ); document.write( "w+w+4-4=14-4-w+w\r \n" ); document.write( "\n" ); document.write( "2w=10\r \n" ); document.write( "\n" ); document.write( "and w=5\r \n" ); document.write( "\n" ); document.write( "therefore l=5+4=9\r \n" ); document.write( "\n" ); document.write( "and that means A=lw=(9)(5)=45 square yards\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( ":) \n" ); document.write( " |