document.write( "Question 1169771: The sum of the digits of a three-digit number is 9 and the tens digits of the number is twice the hundreds digits. The units digit is one more than the hundred digit. What is the original number \n" ); document.write( "
Algebra.Com's Answer #794594 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! x+y+z=9 \n" ); document.write( "y=2x \n" ); document.write( "z=x+1 \n" ); document.write( "so x+2x+x+1=9 \n" ); document.write( "4x=8 \n" ); document.write( "x=2 \n" ); document.write( "y=4 \n" ); document.write( "z=3 \n" ); document.write( "243 \n" ); document.write( " |