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In a test there were 25 multiple-choice questions. They were marked as follows: 2 marks for each correct answer 0 marks for a n...Asked by Jannie
In a test there were 25 multiple-choice questions. They were marked as follows:
2 marks for each correct answer
0 marks for a non-attempt
-1 mark for an incorrect answer.
Sarah attempted
4
5 of the questions and received 22 marks. How many questions did
she answer correctly?
Answers
Answered by
PsyDAG
Data confusing about how many Sarah attempted. Repost in clearer terms.
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