Solved: To receive a B in a course, you must have an
Chapter 9, Problem 9.1.479(choose chapter or problem)
To receive a B in a course, you must have an average of at least 80% but less than 90% on five exams. Your grades on the first four exams were 95%, 79%, 91%, and 86%. What range of grades on the fifth exam will result in a B for the course? Use interval notation to express this range.
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