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Attached is the instructions please complete part A and part B , you can type it in a word document.2:43 1
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uirections in ruri e for your peer repues.
Part A) Solve one of the four world population problems
and explain your process using the following: The growth
of the world population can be described by the equation
A = Aoe” where t is measured in years, Ao is the
population of the world at the time t = 0, and r is the annual
growth rate, and A is the population at time t.
1) In 1960, the world population was about three billion
people and the growth rate was 2.1% per year. At that rate,
how long would it have to take for the population to
increase to seven billion?
2) At a growth rate of 2.1% per year, how long would it
take a population to double?
3) By 2009, the world population was about seven billion,
and the growth rate had slowed to 1.3%.
At that rate, how long would it take for the population to
increase to nine billion?
4) At a growth rate of 1.3% per year, how long would it
take a population to double?
Part B) Research more specific populations by country
using this website: http://worldpopulationreview.com/.
State the population change from 2018 to 2019 as a number
and percent. Has this population increased or decreased?
Why has there been a change? Does the change surprise
you? What was the most interesting topic to you on this
website?
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