Circle City Is Circular with a Radius of 3 Miles

question 18

Short Answer

Circle City is circular with a radius of 3 miles.Right in the center is a circular park with radius one mile.No one lives in the park.Elsewhere the population density is 4500(5 - r)people per square mile, where r is the distance from the center in miles.What is the average population density of Circle City, to the nearest whole number?

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