Scores on first homework:

64.4444444
61.1111111
80
83.3333333
76.6666667
85.5555556
38.8888889
87.7777778
87.7777778
53.3333333
96.6666667
74.4444444
91.1111111
87.7777778
82.2222222
85.5555556
71.1111111
76.6666667
80
80
91.1111111
62.2222222
84.4444444
95.5555556
76.6666667
97.7777778
91.1111111
74.4444444
84.4444444
0
61.1111111
68.8888889
80
67.7777778
87.7777778
61.1111111
73.3333333
30
87.7777778
87.7777778
78.8888889
87.7777778
80
87.7777778
38.8888889
65.5555556

47 students in class for first homework.
1 did not turn in the homework.
33 got 70% or higher.
Total points were 90 (The scores are scaled to 100)
That makes > 70% of the students scored more than 70%.