Answered

if the population of a country is growing at a rate of 1.75 percent per year, the population will double in approximately how many years?

Answer :

The population will approximately double in 40 years.

The rule of 70 would be used to determine the number of years it would take for a population to double. The rule of 70 is a heuristic or a rule of thumb that divides 70 by the growth rate of population.

Rule of 70 = 70 / growth rate of population

70 / 1.75% = 40 years

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