Liana S.
asked • 09/29/21From 1960 to 2000, the world's population doubled. The percentage increase per year is assumed to be the same. What was this annual percentage increase?
Raymond B. answered • 09/29/21
Math, microeconomics or criminal justice
40 years is the doubling time
2=e^40r
take natural logs of both sides
ln2 = 40r
r = ln2/40 = about 0.017328679 = about 1.73% annual rate of increase
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