Advisory Letter Grades

EXAM # 1	EXAM # 2	EXAM # 3
80 &le A &le 100	86 &le A &le 100	82 &le A &le 100
70 &le B &le 79	74 &le B &le 85	71 &le B &le 81
52 &le C &le 69	56 &le C &le 73	56 &le C &le 70
47 &le D &le 51	50 &le D &le 55	50 &le D &le 55
0 &le F &le 46	0 &le F &le 49	0 &le F &le 49
mean = 64.8	mean = 70.3	mean = 68.7