Question

According to the​ "rule of​ 70", how many years will it take for real gdp per capita to double when the growth rate of real gdp per capita is​ 5%?

Answer 1

14 Years.

The rule of 70 is a measure of how long it takes for something to double. 70 is divided by the rate of growth or rate of return.

70/5% = 14 years