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)\"\" \"About 
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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
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