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Mathematics, 25.02.2020 03:02 smallsbjs
A college physics class has n registered students—all of whom are either freshmen or sophomores. On the first midterm, the average score of the 60 freshmen was 72, and the average score of the sophomores was 80. What is the value of n if the overall average score was 75?
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A college physics class has n registered students—all of whom are either freshmen or sophomores. On...
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