20
18
18
I think 20
If you are 30 and its 2012 you were born in the year of 1972
You had (or will have) your 10th birthday in 2012.
1995
1990
On your birthday in 2012, you would turn 15.
You are 13 this year (2009) you are 16 this year (2012)
You would be 21 years old on your birthday.
2012-28=1984 Answer: 1984
2012+35=2047