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

15 12

46 22

33 42

149 42

21 2

45 45

30 43

31 44

48 46

54 46

51 43

30 43

17 41

32 43

47 45

15 40