40
No more than 15.But why miss any ?
25 questions missed
you can miss 12 questions 30 right = 30/42 = 71%
75% of 42 = .75 x 42 = 32 questions right; you can miss 42-32 = 10 questions to get a 75
You can miss 10% of questions, or 12 questions
.8 x 30 = 24 so you can miss 6 questions
22 questions
35
24 of them.
6 of them.
40
Providing that all the other questions are correct then it is 9 questions
No more than 15.But why miss any ?
25 questions missed
No more than 19. You can do it!
No more than 17 of them.