Mathematics
Mathematics, 28.02.2020 09:01, kashbaby

A multiple choice examination consists of 40 questions. The scoring is +5 for each correct answer, -2 for each incorrect answer, and 0 for each unanswered question. Noel's score on the examination is 67. What is the minimum number of questions he could have answered correctly?

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Answers: 3

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A multiple choice examination consists of 40 questions. The scoring is +5 for each correct answer, -...

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