number 8 please Some bullfrogs were introduced into a small pond on a farm. The
ID: 3123317 • Letter: N
Question
number 8 please
Explanation / Answer
Questions:
1) Bullfrog population after 3 years
2) Bullfrog population after 5 years
3) Bullfrog population after 6 years
4) Bullfrog population after 7 years
5) Bullfrog population after 1 years
Answers:
In2 years the population went from 506.25 / 225 in 2 years;
This gives a compounded annual growth rate of = ((506.25/225)1/2-1)*100 = (2.250.5-1 )*100 = 0.5*100 = 50%
This means the population increases by 50% every year;
1) After 3 years, population of bullfrog: 225* (1.5)1 = 337.5
2) After 5 years, population of bullfrog: 225* (1.5)3= 225*3.375=759.375
3) After 6 years, population of bullfrog: 225* (1.5)4 = 225* 5.0625=1139.0625
4)After 7 years, population of bullfrog: 225* (1.5)5 = 225* 7.59375=1708.59375
5) After 1 year, population of bullfrog: 225* (1.5)-1 = 225/1.5=150;
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