All subjects in the university are 100.

The grade ratio of C is 0.7 to 0.8, that is, 70 to 80 points is C.C.-that's about 70 points.

brief introduction

100 ~ 90 is classified as grade A, 89 ~ 75 as grade B, 74 ~ 60 as grade C, and 59 and below as grade D. 100 is generally classified into four grades, ranking a, b, c and d from high to low. The proportion of students in each grade is: Grade A 15%, Grade B 30%, Grade C 30% and Grade D ***25%.