Question

In Marissa's calculus course attendance count for 15% of the grade quizzes count for 10% of the grade exams counts for 50% of the Grade and the final exam counts for 25% of the grade. Marissa have 100% average for attendance 93% for quizzes 86% for exams and 85% on the final. determining marissa scores average.

Answer 1

so just weight the scores, and you get
0.15*100 + 0.10*93 + 0.50*86 + 0.25*85 = 88.55

Answer 2

3.10
In​ Marissa's calculus​ course, attendance counts for 15​% of the​ grade, quizzes count for 10​% of the​ grade, exams count for 50​% of the​ grade, and the final exam counts for 25​% of the grade. Marissa had a 100​% average for​ attendance, 93​% for​ quizzes, 86​% for​ exams, and 81​% on the final. Determine​ Marissa's course average.