Multiple Choice
Solve the problem.
-In 1980 , there were 138,000 farms in a state. As of 2005 , there were 78,000 . Find the average rate of change in the number of farms per year.
A) 2400 farms per yr
B) 8640 farms per yr
C) -6400 farms per yr
D) -2400 farms per yr
Correct Answer:

Verified
Correct Answer:
Verified
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