An integer is represented by a two-digit base ten numeral. If three times the sum of its digits is added to the integer, the reuslt is the original integer with digits reversed. Finall such positive integers.

12 , 24 , 36 , 48 , Total = 4

Hint: Let the number be 10a+b. When writen it will look like ab

For example, if the number was 27 then a=2 b=7 and the number is 10a+b

Use this fact to set up an equation which you must then solve.