Over the past 50 years, Brazil's population growth rate has averaged about 2.3 percent. According to the rule of 70, Brazil's population will double in about:
A) 3 years
B) 30 years
C) 33 years
D) 161 years
E) 1.6 years

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The Answer of Over the past 50 years, Brazil's population growth rate has averaged about 2.3 percent. According to the rule of 70, Brazil's population will double in about:
A) 3 years
B) 30 years
C) 33 years
D) 161 years
E) 1.6 years

Over the Past 50 Years, Brazil's Population Growth Rate Has