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Frank's algebra grade is based on the average of four exams, which count equally. His grades are 85, 75, 70, and 75. (a) Find his
Frank's algebra grade is based on the average of four exams, which count equally. His grades are 85, 75, 70, and 75. (a) Find his average exam score. (b) If Frank's professor decided to count the fourth exam double, what would be the new list of scores? (Enter your answers as a comma-separated list.) How many scores are in the new list? What would be Frank's new average
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