document.write( "Question 271640: A two-digit number is five times the sum of its digits. The digits from left to right name consecutive integers. Find the number. \n" ); document.write( "
Algebra.Com's Answer #198883 by dabanfield(803)![]() ![]() ![]() You can put this solution on YOUR website! A two-digit number is five times the sum of its digits. The digits from left to right name consecutive integers. Find the number. \n" ); document.write( "0 solutions\r \n" ); document.write( "\n" ); document.write( "Let x be the tens digit. Then the ones digit is the next consecutive integer or x+1.\r \n" ); document.write( "\n" ); document.write( "The number then is 10*x + 1*(x+1).\r \n" ); document.write( "\n" ); document.write( "So we have:\r \n" ); document.write( "\n" ); document.write( "10*x + 1*(x+1) = 5*((x + (x + 1)) \n" ); document.write( "10x + x + 1 = 5*(2x + 1) \n" ); document.write( "11x + 1 = 10x + 5\r \n" ); document.write( "\n" ); document.write( "Solve the above for x and then calculate x+1. \n" ); document.write( " |