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Towns A, B, C, and D are located on the map as shown. Towns A and B have 3,000 people each who support referendum R, and the referendum has an average of 3,500 supporters in towns B and D.
Quantity A
The average number of supporters of referendum R in the two southern-most towns
Quantity B
2,500
D显示答案
以上解析由 考满分老师提供。
