The president of the World Bank has asked you to calculate the average population growth rate of Hungary from 1970 to 2010. You know the population was about 10.4 million in 1970 and about 9.5 million in 2010. The average growth rate is about ________ percent.
A) 0.2
B) -0.2
C) 98.4
D) 2.7
E) -200

Question

Quizplus · Accepted Answer

The average growth rate is calculated as (S1 - S0) / S0 * 100, where S0 is the initial population and S1 is the final population. In this case, S0 = 10.4 million and S1 = 9.5 million, so the average growth rate is (9.5 - 10.4) / 10.4 * 100 = -0.2%.

The President of the World Bank Has Asked You to Calculate