document.write( "Question 781288: In my number, the digit in the ones place is double the digit in the tens place. The sum of the digits is 3. My number is? \n" ); document.write( "
Algebra.Com's Answer #475871 by ramkikk66(644)\"\" \"About 
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Sum of the 2 digits is 3.
\n" ); document.write( "3 can be expressed as the sum of 2 non-negative numbers in only the following
\n" ); document.write( "ways.
\n" ); document.write( "3+0
\n" ); document.write( "0+3
\n" ); document.write( "1+2
\n" ); document.write( "2+1\r
\n" ); document.write( "\n" ); document.write( "Of the above, only the combination of 1,2 satisfy the condition that one digit
\n" ); document.write( "is double the other.
\n" ); document.write( "Hence the number is 12.
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