document.write( "Question 413751: I am a number between 10 and 20. The difference between my digits is 0. What number am I? \n" ); document.write( "
Algebra.Com's Answer #290816 by gwendolyn(128)\"\" \"About 
You can put this solution on YOUR website!
11.
\n" ); document.write( "For the difference between two real numbers to be 0, the numbers have to be must be equal. Therefore, for the digits of a two digit number to have a difference of zero, the digits must be equal. This number is less than 20 and greater than 10.
\n" ); document.write( "Therefore, the tens place must have a one in it. Since the tens place is 1, then the ones place must also be 1. So, we come to the answer \"11.\"
\n" ); document.write( "
\n" );