The "raw score" is 60%. The letter grade earned by that score is entirely
up to the teacher. We hope it wasn't a math quiz, and frankly, we wouldn't
expect a high grade.
8/12 which is 67%
Your score is 75.
92%
-12
If you miss five questions out of 30, your score is a 83.33%
Your score would be 83.3% (B).
12
The most that you can get is 52% but that assumes you did not get any answers wrong. Is that realistic?
12/15 80%
If you score 1 per question, then you can miss out -40. If you score 10 per question, then you can miss out 104. If you score 100 per question, then you can miss out 118.
30
In order to score 80% on a test with 30 questions, you must give 6 wrong answers. You can do it!