Mathematics, 29.01.2021 22:10 dbhuggybearow6jng
In a class in which the final course grade depends entirely on the average of four equally weighted 100-point tests, Paul has scored 91,
88 and 93 on the first three. What range of scores on the fourth test will give Paula C for the semester (an average between 70 and
79. inclusive)? Assume that all test scores have a non-negative value.
Express your answer in interval notation.
Answers: 3
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