Mathematics, 23.10.2019 18:20, axthomas0475

Amultiple choice test consists of 100 questions. a correct answer is worth 2 marks, while an incorrect is worth -1 marks. if a student receives a score of 80, how many questions did this student answer incorrectly?

Answers: 3

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Amultiple choice test consists of 100 questions. a correct answer is worth 2 marks, while an incorre...