Chicago has a population of about 2,715,000. Its territory can be modeled as a parallelogram, as shown in the figure. Each unit on the coordinate grid represents one mile. Find the approximate population density of Chicago. Round to the nearest hundred if necessary.

The population density is approximately _______ persons/mi2
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Chicago has a population of about 2715000 Its territory can be modeled as a parallelogram as shown in the figure Each unit on the coordinate grid represents one class=