Mathematics, 02.03.2021 21:30, cringygaming12

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

Answers: 1

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1. A multiple choice test consists of 100 questions. A correct answer is worth 2 marks, while an inc...