document.write( "Question 384048: which is a three digit number whose sum of digits is half the same number? \n" ); document.write( "
Algebra.Com's Answer #271890 by richard1234(7193)![]() ![]() You can put this solution on YOUR website! There aren't any. This is because:\r \n" ); document.write( "\n" ); document.write( "a + b + c = (1/2)(100a + 10b + c)\r \n" ); document.write( "\n" ); document.write( "2a + 2b + 2c = 100a + 10b + c\r \n" ); document.write( "\n" ); document.write( "98a + 8b - c = 0.\r \n" ); document.write( "\n" ); document.write( "98a + 8b = c\r \n" ); document.write( "\n" ); document.write( "Since a must be at least 1 (since it's a three-digit number) then c is at least 98, which wouldn't work. \n" ); document.write( " |