LIZZYANNA803 LIZZYANNA803

13-03-2021
Mathematics

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A multiple-choice test consist of 100 questions. A correct answer is with 2 Marks While an incorrect answer is worth -1 Marks if a student received a score of 80 how many questions did the student answer incorrectly?

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ansarahnatalia ansarahnatalia

13-03-2021

Answer:

im guessing 20 questions are incorrect

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