The following graph shows the revenue generated by three companies A, B and C in different years.
What is the average revenue generated by companies A, B and C in year 2015?
The total revenue generated by companies A, B and C in the year 2015 would be 455+210+325 = 990 million
Giving the average to be $$\frac{990}{3}=330$$ million
Therefore, Option A is the correct answer.