document.write( "Question 260533: I am a 2-digit number. The sum of my digits is 11. The tens digit is odd. The ones digit is 3 less than the tens digit. What number am I?
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Algebra.Com's Answer #191907 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! I am a 2-digit number. The sum of my digits is 11. The tens digit is odd. The ones digit is 3 less than the tens digit. What number am I? \n" ); document.write( "-------------------- \n" ); document.write( "Let the number be 10t+u \n" ); document.write( "-------------------- \n" ); document.write( "Equations: \n" ); document.write( "t + u = 11 \n" ); document.write( "u = t -3 \n" ); document.write( "-------------- \n" ); document.write( "Substitute for \"u\" and solve for \"t\": \n" ); document.write( "t + t-3 = 11 \n" ); document.write( "2t = 14 \n" ); document.write( "t = 7 \n" ); document.write( "--- \n" ); document.write( "Since t+u = 11, u = 4 \n" ); document.write( "--------------------------- \n" ); document.write( "The number is 74 \n" ); document.write( "================================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |