document.write( "Question 411928: the length of a rectangle is 3 cm less than four times its width. The perimeter of the rectangle is 34 cm. Find the dimensions of the rectangle.\r
\n" );
document.write( "\n" );
document.write( "I have been out of school for quite some time so if you could help me break these type of problems down it would be a big help \n" );
document.write( "
Algebra.Com's Answer #289452 by sudhanshu_kmr(1152) You can put this solution on YOUR website! \n" ); document.write( "let width = x cm then length = 4x-3\r \n" ); document.write( "\n" ); document.write( "perimeter = 2(length + width) = 2(x + 4x -3) = 2(5x-3)\r \n" ); document.write( "\n" ); document.write( "as, given \r \n" ); document.write( "\n" ); document.write( "2(5x-3) = 34 \r \n" ); document.write( "\n" ); document.write( "=> 10x -6 = 34 \r \n" ); document.write( "\n" ); document.write( "=> 10x = 40 \r \n" ); document.write( "\n" ); document.write( "=> x = 40/10 = 4 \r \n" ); document.write( "\n" ); document.write( "length = 4*4-3 = 13\r \n" ); document.write( "\n" ); document.write( "length = 13cm , width =4cm\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |