Solve the following real-world problem: Ahmadullah's basketball team will play 21 games this season. That is 12 more games than 1/3 the number of games they played last season. How many games did they play last season?

Answer 1

Let's assume the number of games they played last season is x.
According to the problem, Ahmadullah's basketball team played 1/3 * x + 12 games this season.
It is given that they played 21 games this season, so 1/3 * x + 12 = 21.
Subtracting 12 from both sides, we get 1/3 * x = 9.
Multiplying both sides by 3, we get x = 9 * 3.
Thus, the basketball team played 27 games last season. Answer: \boxed{27}.