document.write( "Question 562778: Need to find the dimension of a rectangle with a perimeter of 640yds. All I have is one side is w and the other is 3w-12. 3w has me confused. Thanks.
\n" );
document.write( " \n" );
document.write( "
Algebra.Com's Answer #364683 by rfer(16322)![]() ![]() ![]() You can put this solution on YOUR website! 2w+2(3w-12)=640 \n" ); document.write( "2w+6w-24=640 \n" ); document.write( "8w=640+24 \n" ); document.write( "8w=684 \n" ); document.write( "w=684/8 \n" ); document.write( "w=85.5 \n" ); document.write( "L=(3w-12)=3*85.5-12 \n" ); document.write( "L=244.5 \n" ); document.write( " |