document.write( "Question 579983: I am a 3 digit number. My tens digit is half the sum of my other two digits,
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document.write( "and my units digit is 8 more than my hundreds digit. What number am i?
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Algebra.Com's Answer #371117 by Edwin McCravy(20055)![]() ![]() You can put this solution on YOUR website! I am a 3 digit number. My tens digit is half the sum of my other two digits, \n" ); document.write( "and my units digit is 8 more than my hundreds digit. What number am i? \n" ); document.write( " \r\n" ); document.write( "This clause:>>...My units digit is 8 more than my hundreds digit...<< \r\n" ); document.write( "gives us both the units and the hundreds digits. The smallest the hundreds\r\n" ); document.write( "digit can be is 1 because a 3-digit number can't begin with 0. And the\r\n" ); document.write( "largest it can be in order to be able to add 8 to it and still get a\r\n" ); document.write( "one-digit number is also 1. So the hundreds digit can only be 1, and the\r\n" ); document.write( "hundreds digit is 8 more than 1 or 9. \r\n" ); document.write( "\r\n" ); document.write( "Then since>>...my tens digit is half the sum of my other two digits...<< \r\n" ); document.write( "the tens digit is half of 1+9, or 10, and half of 10 is 5, so the\r\n" ); document.write( "number has hundreds digit 1, tens digit 5, and units digit 9. \r\n" ); document.write( "\r\n" ); document.write( "Answer = 159\r\n" ); document.write( "\r\n" ); document.write( "Edwin\n" ); document.write( " |