document.write( "Question 562639: The tens digit of a two digit number is twice the units digit. The sum of the digits is 12. Find the original number. \n" ); document.write( "
Algebra.Com's Answer #364637 by issacodegard(60)![]() ![]() You can put this solution on YOUR website! Hi, let's write the number as xy where x is the tens place digit and y is the ones place digit. We know, \n" ); document.write( "x=2y \n" ); document.write( "x+y=12 \n" ); document.write( "So, we have, \n" ); document.write( "3y=12 \n" ); document.write( "y=4 \n" ); document.write( "Then, x=8 \n" ); document.write( "So the number is 84 \n" ); document.write( " |