APFIVE Average Annual Decline of Native Species
Based on the data in the table, what is the average annual decline in the native species count over the 20-year period?
| Year | Native Species Count | Invasive Species Count |
|---|---|---|
| 2000 | $$1000$$ | $$50$$ |
| 2005 | $$900$$ | $$80$$ |
| 2010 | $$800$$ | $$120$$ |
| 2015 | $$700$$ | $$160$$ |
| 2020 | $$600$$ | $$200$$ |
A
Approximately $$25$$ individuals per year
B
Approximately $$15$$ individuals per year
C
Approximately $$20$$ individuals per year
D
Approximately $$30$$ individuals per year (this result may arise from an incorrect division of the total decline over the wrong number of years)
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