Mathematics, 08.09.2020 04:01 odellbeckham43881
in a class in which the final course grade depends entirely on the average of four equally weighted 100-point tests, Alice has scored 84, 94, and 79 on the first three. What range of scores on the fourth test will give Alice a B for the semester (an average between 80 and 89, inclusive)? Assume that all test scores have a non-negative value.
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