One of the nice properties of the rule of 70 is that it simply approximates how long it takes for a variable to double independent of the level of the variable.

Question

Quizplus · Accepted Answer

The rule of 70 states that to find the approximate number of years for a variable to double, you divide 70 by the annual growth rate (expressed as a percentage). The rule works regardless of the level or starting value of the variable.

One of the Nice Properties of the Rule of 70