Ahmadullahs basketball team will play 21 games this season. That is 12 games more than 1/3 the number of games they played last season. How many games did they play last season

Let G be the number of games Ahmadullah's team played last season.

Ahmadullah's team played 12+1/3G games this season.
21=12+1/3G
9=1/3G
G=<<27=27>>27 games last season. Answer: \boxed{27}.