\r\n" );
document.write( "number of two digits = x\r\n" );
document.write( "one-third of that number =
\r\n" );
document.write( "\r\n" );
document.write( "successor of that number = x+1\r\n" );
document.write( "\r\n" );
document.write( "one-fourth of successor of that number =
\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "One – third of a number of two digits is greater than one – fourth\r\n" );
document.write( "of its successor by 1 . Find the number .\r\n" );
document.write( "\r\n" );
document.write( "Replace the underlined words by
\r\n" );
document.write( "\r\n" );
document.write( "
is greater than one – fourth of its successor by 1 . Find the number .\r\n" );
document.write( "\r\n" );
document.write( "Replace the underlined words by
\r\n" );
document.write( "\r\n" );
document.write( "
is greater than
by 1 . Find the number .\r\n" );
document.write( "\r\n" );
document.write( "Mentally translate this by reasoning\r\n" );
document.write( "\r\n" );
document.write( "If a first thing is greater than a second thing by ONE, that means that the\r\n" );
document.write( "the first thing equals the second thing PLUS ONE. So\r\n" );
document.write( "\r\n" );
document.write( "

\r\n" );
document.write( "\r\n" );
document.write( "Multiply through by
\r\n" );
document.write( "\r\n" );
document.write( "

\r\n" );
document.write( "\r\n" );
document.write( "4x = 3(x + 1) + 12\r\n" );
document.write( "4x = 3x + 3 + 12\r\n" );
document.write( "4x = 3x + 15\r\n" );
document.write( " x = 15\r\n" );
document.write( "\r\n" );
document.write( "Turns out that they didn't need to tell us that it has two digits.\r\n" );
document.write( "\r\n" );
document.write( "Checking:\r\n" );
document.write( "\r\n" );
document.write( "One – third of 15, which is 5, is greater than one – fourth\r\n" );
document.write( "of (15's) successor 16, (which is 4), by 1. It's true that\r\n" );
document.write( "5 is indeed greater than 4 by 1, so we have the correct \r\n" );
document.write( "answer, 15.\r\n" );
document.write( "\r\n" );
document.write( "Edwin
\n" );
document.write( "