a daily newspaper had 12,125 subscribers when it began publications. Five years later it had 10,100 subscribers. What is the average yearly rate of change in the number of subscribers for the five year period?
The reduction in the number of subscribers over 5 years is: 12,125 - 10,100 = 2025 lost subscribers. The average yearly rate of change in the number of subscribers for the 5 year period is: -2025/5 = -405 subscribers/year. The answer is: -405 subscribers/year.
