maiconway791 maiconway791

14-07-2017
Mathematics

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The formula below gives T the approximate time in years it takes a population to double if the annual growth rate is r percent

The formula below gives T the approximate time in years it takes a population to double if the annual growth rate is r percent class=

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Aliwohaish12 Aliwohaish12

14-07-2017

T=70/r
T=70/4.6
T=15 years

It's b

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mreijepatmat mreijepatmat

14-07-2017

T =70/r, where T is the number of years needed to double the population (or the capital, or any other thing) at the rate r (r , rate of growth)
T = 710/4.6 = 15.21
T ≈ 15 years

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