SOLUTION: a daily newspaper had 12,125 subscribers when it began publication. five years later it had 10,100 subscribers. what is the average yearly rate of change in the number of subscribe

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Question 425875: a daily newspaper had 12,125 subscribers when it began publication. 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?
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
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a daily newspaper had 12,125 subscribers when it began publication.
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?
:
%2810100+-+12125%29%2F5 = -405 subscribers per year