@wewdeadeye
in my university:
Below 50--------- F
50-55 ------------- D
55-59-------------C-
60-63--------------C
64-67--------------C+
68-71---------------B-
72-75----------------B
76-79-----------------B+
80-84-------------------A-
84-89-------------------A
90-100-----------------A+
So B- in my university is 68-71