The rules are simple. 30 minutes with me - C. 40 - B. 50 - A. How much do you want to be an A student?

27 12

28 41

30 13

20 12

61 47

21 42

24 12

17 13

18 11

26 12

48 47

38 42

31 42

45 24

38 21

32 41