Answer:
89
Explanation:
1. The 6 from 16 is tranferred to 06
2. The 6 from 06 is transferred to 68
3. The 8 from 68 is transferred to 88 (now we know that one of the # is 8)
4. The second number must be 9 since 98 has a 9 in it
5. If we put all the clues together, the number is 98