document.write( "Question 1029999: A number is made of two consecutive digits but if the digits are interchanged. the original value is increased by 9. find the two digits \n" ); document.write( "
Algebra.Com's Answer #644907 by Edwin McCravy(20063) You can put this solution on YOUR website! \r\n" ); document.write( "Let the smaller digit = x\r\n" ); document.write( "Then since the digits are consecutive,\r\n" ); document.write( "the larger is 1 more than the smaller digit,\r\n" ); document.write( "So the larger digit = x+1\r\n" ); document.write( " \n" ); document.write( "if the digits are interchanged. the original value is increased... \n" ); document.write( " \r\n" ); document.write( "That tells us that the original number is smaller than the\r\n" ); document.write( "number with the digits interchanged. So the original number\r\n" ); document.write( "has the smaller first (or tens) digit. Therefore:\r\n" ); document.write( "\n" ); document.write( "\r\n" ); document.write( "The original number = 10x + (x+1)\r\n" ); document.write( "\r\n" ); document.write( "The number with the digits reversed = 10(x+1) + x\r\n" ); document.write( " |