document.write( "Question 292453: x and 2x are both 3 digit integers. If the sum of the digits of x is 19, what is the sum of the digits of 2x? \n" ); document.write( "
Algebra.Com's Answer #211410 by ankor@dixie-net.com(22740) You can put this solution on YOUR website! x and 2x are both 3 digit integers. If the sum of the digits of x is 19, what is the sum of the digits of 2x? \n" ); document.write( ": \n" ); document.write( "We know the 1st digit of the x =< 4 \n" ); document.write( "for example \n" ); document.write( "496 * 2 = 992, digits add up to 20, \n" ); document.write( "or \n" ); document.write( "199 * 2 = 398, digits add up to 20 \n" ); document.write( ": \n" ); document.write( "And true for any x value in between \n" ); document.write( " |