document.write( "Question 240425: a rectangle has a perimeter of 78 in. its length is 6 in more than twice its length. \n" ); document.write( "
Algebra.Com's Answer #176157 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! L=2W+6 \n" ); document.write( "2L+2W=78 \n" ); document.write( "2(2W+6)+2W=78 \n" ); document.write( "4W+12+2W=78 \n" ); document.write( "6W=78-12 \n" ); document.write( "6W=66 \n" ); document.write( "W=66/6 \n" ); document.write( "W=11 ANS. \n" ); document.write( "L=2*11+6 \n" ); document.write( "L=22+6 \n" ); document.write( "L=28 ANS. \n" ); document.write( "PROOF: \n" ); document.write( "2*28+2*11=78 \n" ); document.write( "56+22=78 \n" ); document.write( "78=78 \n" ); document.write( " |