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ZX-39FE6752C92025年10月美国A卷(数易) · 第 13 题
2025年10月美国A卷(数易) · 原库模块 2 · Q13 原库参考解析
A city has an area of x square miles and a population density of 1,035 people per square mile. The suburb adjacent to the city has an area of y square miles and a population density of 535 people per square mile. The combined population of the city and the suburb adjacent to the city is 13,165 people. Which equation represents this situation?
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