The number of crimes that occurred in a certain city per 1000 people had decreased from 46.1 in 1920 to 44.0 in 1990. Find the average rate of change in the number of crimes per 1000 people that...

Extracted text: The number of crimes that occurred in a certain city per 1000 people had decreased from 46.1 in 1920 to 44.0 in 1990. Find the average rate of change in the number of crimes per 1000 people that occurred from 1920 to 1990. The average rate of change was (Round to the nearest hundredth as n thousands of people per year. crimes per 1000 people per year. years per city. years per thousands of people. cities per year. years per crimes per 1000 people. years. cities. crimes per 1000 people. thousands of people.