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A person scores 60, 70, and 80 in three exams. What score is needed in the fourt
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Q1
A person scores 60, 70, and 80 in three exams. What score is needed in the fourth exam to achieve an average of 75?
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A person scores 60, 70, and 80 in three exams. What score is needed in the fourth exam to achieve an average of 75?
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