In 2009, International University (IU) had an enrollment of 25,000 undergraduates, each of whom paid $6,000 per year in tuition. In 2010, enrollment increased to 26,000 students, and tuition was raised 5%. In 2011, IU received $178,200,000 in revenue from student tuition, and enrollment was 27,000 students. In 2012, it is estimated that tuition will be $6,900 and IU needs to receive 9% more total revenue from tuition than in 2011.

c) What was the growth rate of tuition from 2010 to 2011?

d) What is the revenue goal for 2012?

e) How many students must IU enroll to meet the 2012 revenue goal?

f) What is the average annual growth rate of tuition for 2009 to 2012?