Correct answers only !
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