Letter

Exam Score

Percentage

# of students

% of class

A 

65-72

90.0-100 %

15

21

A-

62-64

86.0-89.9

7

10

B+

60-61

83.0-85.9

5

7

B 

58-59

80.0-82.9

9

12

B-

56-57

78.0-79.9

3

4

C+

54-55

75.0-77.9

6

8

C 

50-53

70.0-74.9

6

8

C-

47-49

65.0-69.9

3

4

D+

44-46

60.0-64.9

6

8

D 

40-43

55.0-59.9

1

1

F 

≤ 39

< 55

11

15