Correct answers only please!
evin has the following averages in his math class.
Homework: 88
Quiz Average: 84
Test Average: 92
Final Exam: ???
If the teacher weights homework at 20% , quiz average at 25% , test average at 40%, and final exam at 15%, what is the min grade Kevin can make on his final exam so that he scores a 90 in the class?
A. 86
B. 90
C. 94
D. 97