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Anonymous
3 out of 10
Wiki User
Chat with our AI personalities
You can miss 31.5 questions. 105*70%(.70)=73.5 105-73.5= 31.5
33
70% of 15 is 10.5 so it is 4.5 questions
You can miss out 30% 30% of 150 = 150*30/100 = 45
No more than 19. You can do it!