Apopulation of beetles increases by 5% every year. if the start of the year the population is at 10,000 beetles, what will its population be after three years? at the end of the third year the population of beetles will be..

The right answer is 11576 beetles.

All you have to do is add 5% to the population in three steps (three years).

5% of 10,000 corresponds to 500, so in the first year the population becomes 10,500.

5% of 10,500 corresponds to 525, so in the second year the population becomes 11025.

5% of 11025 corresponds to 551.25 (rounded to 551), so in the second year the population becomes 11576.

YearBeetles              Healthy Trees

1           250                       4000

2           500                        2400

3          1000                        1440

4              2000                         864

5         4000                          518

Explanation:

This is the answer they provided. hope this helps ;)

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