document.write( "Question 313240: the length of a rectangle is 3 less the the width. the perimeter is 68 . what is the length and width of the rectangle ? \r
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document.write( " how do i do that equation?\r
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document.write( " how do i set up the equation? \n" );
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Algebra.Com's Answer #223987 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! L=W-3 \n" ); document.write( "P=2L+2W \n" ); document.write( "68=2(W-3)+2W \n" ); document.write( "68=2W-6+2W \n" ); document.write( "68=4W-6 \n" ); document.write( "4W=68+6 \n" ); document.write( "4W=74 \n" ); document.write( "W=74/4 \n" ); document.write( "W=18.5 ANS. FOR THE WIDTH. \n" ); document.write( "L=18.5-3=15.5 ANS. FOR THE LENGTH. \n" ); document.write( "PROOF: \n" ); document.write( "68=2*18.5+2*15.5 \n" ); document.write( "68=37+31 \n" ); document.write( "68=68 \n" ); document.write( " |