Question

In​ Marissa's calculus​ course, attendance counts for 20​% of the​ grade, quizzes count for 15​% of the​ grade, exams count for 45​% of the​ grade, and the final exam counts for 20​% 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.

Answer 1

Step-by-step explanation:

20% (100) + 15% (93) + 45% (86) + 20% (81)

= 20 + 13.95 + 38.7 + 16.2

= 88.85

Her course average is 88.85% (or 89%, rounded to the nearest integer).