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The population density of Smallville (15 square miles) was 18.5 people per square mile. A decade later populations increased to 26.8 people per square mile. What was the increase in population?
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The population density of Smallville (15 square miles) was 18.5 people per square mile. A decade later populations increased to 26.8 people per square mile. What was the increase in population?

User Ainsworth
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(26.8-18.5)•15=amount of people added
8.3•15=amount of people added.
124.5 people added to Smallville
User Bergerova
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