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A population of hyenas inhabits a tropical savanna. At the beginning of the year, there were 100 hyenas in the population. Throughout the year, 20 hyenas died, 35 hyenas were born, 5 hyenas migrated into the population, and no hyenas left the population. What was the size of the population at the end of the year?


At the end of the year, there were (blank) hyenas in the population.

Respuesta :

ANSWER:

okay so they were 100 hyenas and 20 died

so that makes it 100 - 20 = 80 , so there was 80 hyenas when 20 died

then 35 were born so 80 + 35 = 115

than 5 migrated INTO the population meaning 115 + 5 = 120

At the end of the year, there were 120 hyenas in the population.

~batmans wife dun dun dun...aka ~serenitybella

Answer:

120 is the size of the population at the end of the year

Explanation:

Size of the population is given by  

Total number of Hyenas present in the population + Total number of Hyenas born + Total number of Hyenas migration into the population – Total number of Hyenas died  

Substituting the given values in above equation, we get -  

[tex]= 100 + 35 + 5 -20\\= 120\\[/tex]

120 is the size of the population at the end of the year

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