document.write( "Question 890079: Which of the following cannot be the difference between the three-digit numbers ABC and CBA, if A,B,and C are positive digits and A times C does not equal 0?
\n" );
document.write( "A) -693
\n" );
document.write( "B) -198
\n" );
document.write( "C) 495
\n" );
document.write( "D) 241
\n" );
document.write( "E) 792 \n" );
document.write( "
Algebra.Com's Answer #538672 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! The difference between reversed number is always a multiple of 9 \n" ); document.write( "Divide each by 9, find the one that does not come out even, 241/9 ~ 26.8 \n" ); document.write( " |