document.write( "Question 341191: My number has double the number of ones as tens. The sum of the digits is 9.\r
\n" ); document.write( "\n" ); document.write( "My number is---
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Algebra.Com's Answer #244362 by fractalier(6550)\"\" \"About 
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If we let the ones digit be x and the tens digit be y.
\n" ); document.write( "So x + y = 9
\n" ); document.write( "x = 2y
\n" ); document.write( "If we substitute, we get
\n" ); document.write( "2y + y = 9
\n" ); document.write( "3y = 9
\n" ); document.write( "y = 3
\n" ); document.write( "x = 6
\n" ); document.write( "Our number is 36...
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