document.write( "Question 1161151: In a positive number of two digits, the sum of the digits is 15. If the digits are interchanged, the number is increased by 9.
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Algebra.Com's Answer #784603 by Alan3354(69443)\"\" \"About 
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In a positive number of two digits, the sum of the digits is 15. If the digits are interchanged, the number is increased by 9.
\n" ); document.write( "Find the number.
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\n" ); document.write( "Interchanging the digits of a 2-digit number changes the value by 9 times the difference between the digits.
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\n" ); document.write( "Since it increases, the units digit is larger than the tens digit.
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\n" ); document.write( "u - t = 1
\n" ); document.write( "u + t = 15
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