The preferred wording would be, "what percent".
16 of them.
many.
percent
The answer will depend on how many of the ones you do manage to answer are correct!
40 questions
16 of them.
many.
To a 100% A
round about 3 percent, (Now more than 3% percent). This is a correct figure.
80% of 20 = 20*80/100 = 16
percent
Milligrams of what in how much 10 percent what?
138 correct answers. 138/150=92
The answer will depend on how many of the ones you do manage to answer are correct!
Questions correct are 130 * 0.92 or 120.
If you answered 23 correct out of 40 questions, your percent correct is 57.5%
41 = 82%, 42 = 84%...