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A population of snakes has 900 individuals. They have a death rate of 30 per year and a birth rate of 20 per year. Assuming 6 snakes migrate into the population and 3 migrate out of the population per year, how many individuals would there be after the first year? (To answer, write numerals in the box below.)

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waqaskhan15836

Answer:

893 snakes after first year

Explanation:

total population= 900

death = 30 per year    left=  900-30= 870

birth each year= 20 per year      so 870 +20= 890 snakes

6 snakes migrate into the population = 890 + 6= 896 snakes

3 migrate out of the population per year = 896-3= 893 snakes

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