3 out of 10
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!
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
not more than 15
To get seventy percent or better on a quiz of 16 questions one needs 11.2 answers correctly answered. So it is best not to miss 4 but definitely not to miss 5 or more. This answer is arrived at by taking the 16 questions and multiplying by .70 (70 percent) or 16 x .70 = 11.2.
You can miss out 30% 30% of 150 = 150*30/100 = 45
No more than 19. You can do it!
Not more than 11.
You will have scored 80 out of 150 thus answered 70 questions incorrect.
70 PER CENT means 70 out of a hundred... so you missed 30
Assuming that you get all your answers correct (can you rely on that?), you can miss 12.
70% of 12 is 8.4 and 12 minus 8.4 = 3.6