To get at least 64% you can miss at most 100 - 64 % = 36 %
Percent means "out of 100"
36 % of 56 = 36/100 x 56 = 20.16
→ Can miss 20 questions.
40
The answer will depend on how many of the ones you do manage to answer are correct!
No more than 15.But why miss any ?
25 questions missed
Not more than 11.
.8 x 30 = 24 so you can miss 6 questions
35
40
24 of them.
6 of them.
The answer will depend on how many of the ones you do manage to answer are correct!
No more than 15.But why miss any ?
You can miss 10% of questions, or 12 questions
25 questions missed
18
22
22 questions