In Fall 2013, 10.5 million undergraduate students attended a 4-year institution full-time. Of those, 9,240,000 were under age 25, 945,000 were ages 25-34, and 315,000 were age 35 and older.

a. What percent of the students were under age 25?

b. What percent of the students were ages 25-34?

c. What percent of the students were age 35 and older?

d. Construct an accurate pie graph to display this data. Label the graph and each sector appropriately.