toget 80% you need .8 x 15 = 12 questions right. That means you can 15-12 = 3 questions wrong
your grade would be 80% or a B-
10 - 3 = 7 7 / 10 = .7 = 70%
With 3 wrongs out of 8 questions your average is (3/8)x100 = 37.5% wrong and 62.5 correct.
92 :)
As a percentage it is 80%
toget 80% you need .8 x 15 = 12 questions right. That means you can 15-12 = 3 questions wrong
It depends on the grading scale. 47/50 is 94% which is an A in most cases.
your grade would be 80% or a B-
65
10 - 3 = 7 7 / 10 = .7 = 70%
Well, honey, if you got 5 questions wrong out of 15, you simply divide 5 by 15 and multiply by 100 to get the percentage. That's 33.33%, but who's counting? Just brush it off and try again, no need to dwell on those little mistakes.
You're permitted to give wrong answers to as many questions as you want to, and correct or blank answers to the rest of them. Unfortunately, however, the custom is that if you exceed some number of wrong or blank answers, then you fail the test.
15. They allow you to get 3 wrong answers in order to pass.
That is about a "C".
With 3 wrongs out of 8 questions your average is (3/8)x100 = 37.5% wrong and 62.5 correct.
12 - 3 = 9 questions correct9/12 = 0.75 which = 75%