According to the rule of 70,if a nation grows at a rate of 10 percent per year,in roughly how many years will national income double?

Question

Quizplus · Accepted Answer

The rule of 70 states that to find the number of years it takes for a variable to double, divide 70 by the annual growth rate of the variable. In this case, dividing 70 by 10 gives us 7 years. Therefore, it would take approximately 7 years for the national income to double.

According to the Rule of 70,if a Nation Grows at a Rate