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irakobra [83]
3 years ago
14

There is a population of owls in a forest. In one year there are 20 new owls born and 10 owls die. In this same year, 5 owls ent

ered the forest and 2 owls left. How did the population of owls change in one year?
Computers and Technology
1 answer:
Simora [160]3 years ago
4 0

Answer:

The owls population increased by 13 in one year

Explanation:

The given data on the owl population are as follows;

The number of new owls born = 20 (positive increase in population)

The number of owls that die = 10 (negative decrease in population)

The number of owls that enter the forest = 5 (positive increase in population)

The number of owls that left the forest = 2 (negative decrease in population)

Let 'w' represent the number of new owls born, let 'x' represent the number of  owls that die, let 'y' represent the number of owls that enter the forest and let 'z' represent the number of owls that left the forest, we get;

The change in population, ΔP = w - x + y - z

By plugging in the values, we get;

ΔP = 20 - 10 + 5 - 2 = 13

The change in the population of owls in one year is an increase in 13 owls.

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