A+,93,100 A,87,92.99 A-,85,86.99 B+,83,84.99 B,77,82.99 B-,75,76.99 C+,73,74.99 C,67,72.99 C-,65,66.99 D+,63,64.99 D,57,62.99 D-,55,56.99 F,0,54.99