A class has 20 students. 12 students scored an average of 85 on a test, and the remaining 8 students scored an average of 90. What is the average score for the entire class?
✓ Correct Answer: Option B
The total score for the class is (12 * 85) + (8 * 90) = 1020 + 720 = 1740. Since there are 20 students in total, the average score for the entire class is 1740 / 20 = 87.