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Mathematics, 31.12.2020 14:00, wbaker
Susan's average grade on all her math exams is exactly 78. She figures that if she gets a 92 on the next exam her new average will round to 80. Find the possible numbers of exams Susan might have taken, including her last exam.
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Answers: 2
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Susan's average grade on all her math exams is exactly 78. She figures that if she gets a 92 on the...
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