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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document.write( "Find the number. \n" );
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Algebra.Com's Answer #784603 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! 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. \n" ); document.write( "==================== \n" ); document.write( "Interchanging the digits of a 2-digit number changes the value by 9 times the difference between the digits. \n" ); document.write( "--- \n" ); document.write( "Since it increases, the units digit is larger than the tens digit. \n" ); document.write( "---> \n" ); document.write( "u - t = 1 \n" ); document.write( "u + t = 15 \n" ); document.write( " \n" ); document.write( " |