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Jean is going on a one year expedition to study the population growth of a gaggle of Canadian geese. There are 1,000 geese in the gaggle at the beginning of the first year. The gaggle grows each year with the following characteristics: 

a. There is an equal number of male and female geese that form couples.

b. The couples raise one gosling every spring.

c. At the end of each year, 20% of the geese die of natural causes.

d. One-year-old geese raise goslings as well.

Develop a formula to calculate the number of geese after 7 years. Write your answer and show your work.

 Mar 8, 2021
 #1
avatar+31195 
+1

original number   1000

    increase 50% per year

          1000 (1.5)  

          decrease 20% per year

              1000 (1.5)(.8)

         #geese    = 1000 (1.2)n       where n is year

 

After year one    there is 1200     after year 2   there is 1440  etc

 

When n = 7     # geese = 3583

 Mar 8, 2021
 #2
avatar+550 
0

thanks

xxJenny1213xx  Mar 8, 2021

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