Mathematics, 19.05.2020 02:00 kellyzeissss4181

A city is divided by a river. The portion of the city east of the river covers 25% of the city and has a population density of 28 persons per square kilometer. The portion on the west side of the river has 17 persons per square kilometer. Find the population density of the city as a whole.

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A city is divided by a river. The portion of the city east of the river covers 25% of the city and h...