In your statistics course, there are three exams: I is worth 40 points, II is worth 35 points, and III is worth 60 points. Your professor defines a passing grade as earning 60% of the points.
(a) What is the smallest score you must obtain on each exam to pass it?
(b) In total you can earn 135 points in the course. How many points must you earn from the three exams combined to pass the course?
(c) You actually earn a total of 115 points during the course. What percent of the total did you earn?