Normally from high school in 2007.
if you were born in 1998 what year would you graduated in
You would have most likely graduated in the year of 1992.
1963+17 or 1963+18 depending on how old the person was when they graduated
More than likely 1989 (assuming you hadn't been held back or advanced a grade level).
Age in 2014 = 2014 - 1989 (if the person has had their birthday this year, and one less if they have not).
If you graduated at 18 it was 1989 that it took place.
What year would you graduate in if your were born in 1979
People born in 1989 would be 24 in 2013. In 2014, they will be 25.
2009 minus 1989 is 20. However, depending on when your birthday is, a person born in 1989 could be either 19 or 20 in 2009. (The older age would be for someone whose birthday had already happened since this is 2009.)