document.write( "Question 1110306: the sum of digits of a three-digit number is 15. The digit at tens place is half of the sum of digits at hundreds and units places. If 396 is added to the number , the digits at hundreds and units places are interchanged. Find the number. \n" ); document.write( "
Algebra.Com's Answer #725308 by Edwin McCravy(20056)\"\" \"About 
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document.write( "h = the hundreds digit\r\n" );
document.write( "t = the tens digit\r\n" );
document.write( "u = the units (or ones) digit\r\n" );
document.write( "100h + 10t + u = the number \"HTU\"\r\n" );
document.write( "100u + 10t + h = the number \"UTH\" with the digits at \r\n" );
document.write( "the hundreds and units places interchanged\r\n" );
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document.write( "the sum of digits of a three-digit number  is 15. \r\n" );
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document.write( "\"h+%2B+t+%2B+u+=+15\"\r\n" );
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document.write( "The digit at tens place is half of the sum of digits at hundreds and units places.\r\n" );
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document.write( "\"t\"\"%22%22=%22%22\"\"expr%281%2F2%29%28h%2Bu%29\"\r\n" );
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document.write( "If 396 is added to the number, the digits at hundreds and units places are interchanged. Find the number.\r\n" );
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document.write( "\"100h+%2B+10t+%2B+u%2B396\"\"%22%22=%22%22\"\"100u%2B10t%2Bh\"\r\n" );
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document.write( "Can you solve the system of those three equations?\r\n" );
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document.write( "Edwin

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