SOLUTION: If I got 3 questions wrong on a test that had 20 questions, what is my score percentage?

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Question 900346: If I got 3 questions wrong on a test that had 20 questions, what is my score percentage?
Answer by JulietG(1812) About Me  (Show Source):
You can put this solution on YOUR website!
If the test had 20 questions, then each question was worth 100/20, or 5%.
If you got 3 questions wrong, then 3 * 5% = 15%
100% - 15% = a score of 85%