SOLUTION: if there are 22 questions in a test, how many would you need to get wrong to get an 86%

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Question 857801: if there are 22 questions in a test, how many would you need to get wrong to get an 86%
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
100-%28100%2F22%29N=86
%28100%2F22%29N=14
N=%28%2814%29%2822%29%29%2F100
N=%287%29%2811%29%2F25
N=77%2F25
This number is a little greater than 3.
So more than 4 wrong would be below 86.
3 wrong would be above 86.
You cannot get an 86 exactly.