One of the students in my class was absent the day of the test. The teacher announced that the class average for the 24 students who took the test was 75%. After the other student came back and took the test, the teacher announced that the class average had increased to 76%. Explain how you calculate what the absentee student got on her test.
Class average for 24 students = 75
Therefore, Class total ...
A n extra grade is calculated from percentages.