A student of the author earned grades of 92, 83, 77, 84, and 82 on herfive regular tests. She earned grades of 88 on the final e
xam and 95 on her class projects. Hercombined homework grade was 77. The five regular tests count for 60% of the final grade, thefinal exam counts for 10%, the project counts for 15%, and homework counts for 15%.What is her weighted mean grade? What letter grade did she earn? (A, B, C, D, or F)