document.write( "Question 1179313: The sum of digits in a three digit number is nine. The tens digit is half the sum of the other two and the hundreds digit is half the units digit.Find the number. \n" ); document.write( "
Algebra.Com's Answer #808842 by josgarithmetic(39620)\"\" \"About 
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\"100h%2B10t%2Bu\", the number\r
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\n" ); document.write( "\n" ); document.write( "\"system%28h%2Bt%2Bu=9%2C2t=h%2Bu%2Cu=2h%29\"
\n" ); document.write( "You could work with this, or find other ways.\r
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\n" ); document.write( "\n" ); document.write( "Here is a possible method.
\n" ); document.write( "First equation, \"h%2Bu%2Bt=9\"
\n" ); document.write( "Second equation, \"h%2Bu=2t\"
\n" ); document.write( "The substitution: \"2t%2Bt=9\"
\n" ); document.write( "and then
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