What were some of the dangers that the riders faced on the pony express trail?
2 answers:
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Answer:
The population density of the city is 20,000 persons per square mile
Explanation:
Population density is defined as the total population living in a region divided by the total area of the region
Here
Population = 100000
Area of the city = 5 square mile
Density = people per square mile
The population density of the city is 20,000 persons per square mile