SOLUTION: I have a 200 question test, how many can I miss to get a 90%?

SOLUTION: I have a 200 question test, how many can I miss to get a 90%?

Algebra.Com

Question 486160: I have a 200 question test, how many can I miss to get a 90%?
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
200*0.1=20
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