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The population of City X in 1999 was r percent greater than it was in 1990, and the average income per person in 1999 was i percent greater than it was in 1990. The percent increase in the total income of the entire population from 1990 to 1999 would have been greatest for which of the following values of r and i?
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· 相关考点
2.4.3 百分比增减关系的描述
2.4.3 百分比增减关系的描述
以上解析由 考满分老师提供。
