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Of 30 theater tickets sold, 20 tickets were sold at prices between $10 and $30 each and 10 tickets were sold at prices between $40 and $60 each.
Quantity A:The average (arithmetic mean) of the prices of the 30 tickets
Quantity B:$50
Quantity A:The average (arithmetic mean) of the prices of the 30 tickets
Quantity B:$50
B显示答案
以上解析由 考满分老师提供。
