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)\"\" \"About 
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A two-digit number is five times the sum of its digits. The digits from left to right name consecutive integers. Find the number.
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\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.
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