document.write( "Question 134610: suppose that the width of a rectangle is 2 inches shorter than the length and that the perimeter of the rectangle is 80. \r
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document.write( "a)set up an equation for the perimeter involving only L, the length of the rectangle. \r
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document.write( "b)solve this equation algebraically to find the lenghth of the rectangle. Find the width as well. \n" );
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Algebra.Com's Answer #98474 by solver91311(24713)![]() ![]() You can put this solution on YOUR website! Formula for perimeter: \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Width is 2 inches shorter than length, so: \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Substituting:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Given P = 80,\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Check: \n" ); document.write( " |