Mathematics, 20.10.2020 05:01 ddmoorehouseov75lc

Anna completes a test that had 120 questions for a math competition. Each correct answer is worth +4 points, and each wrong answer is worth -2 points. Anna finishes the entire test and receives a score of zero. How many correct and incorrect answers did she have?

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Anna completes a test that had 120 questions for a math competition. Each correct answer is worth +4...

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