document.write( "Question 825021: 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. Find the number? \n" ); document.write( "
Algebra.Com's Answer #496941 by y6n3o9p4(20)![]() ![]() You can put this solution on YOUR website! If the number is increased by only 9 when the digits are interchanged, they must be consecutive digits. The only pair of consecutive digits that adds up to 15 is 8 and 7. \n" ); document.write( "The number is 87. \n" ); document.write( " |