Respuesta :
Answer:
7686 people per square mile
Step-by-step explanation:
The total area of the coastal city = 92.1 square miles
Area covered by water = 11.3 square miles
Population of the city in 2010 = 621,000
Now we use the formula
Population density = [tex]\frac{Number of people}{Land area}[/tex]
= [tex]\frac{621,000}{(92.1-11.3)}[/tex] = 7686 people
The population density 7686 people per square mile of land area of the city at that time.