document.write( "Question 208306: George is thinking of an integer between 70 and 90. The sum
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Algebra.Com's Answer #157588 by Edwin McCravy(20056) $\"\"$ $\"About$

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George is thinking of an integer between 70 and 90. The sum
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document.write( "Let the ten's digit (first digit) = t\r\n" );
document.write( "Let the one's digit (second digit) = u\r\n" );
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document.write( "To be between 70 and 90, then t is either 7 or 8. \r\n" );
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document.write( "If  then we have:\r\n" );
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document.write( "The only digit between  and  is \r\n" );
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document.write( "So one solution is t=7 and u=4, and the integer is 74.\r\n" );
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document.write( "If  then we have:\r\n" );
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document.write( "There is no digit between  and .\r\n" );
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document.write( "So 74 is the only solution.\r\n" );
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document.write( "Edwin

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