Using the Rule of 72, how many years does it take for an account balance to double at an 8% interest rate?

Name: Using the Rule of 72, how many years does it take for an account balance to double at an 8% interest rate?
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Quizplus · Accepted Answer

The Rule of 72 is a simple way to estimate the number of years required to double the investment at a given annual rate of return. By dividing 72 by the interest rate (8%), you get 9 years.

Using the Rule of 72, How Many Years Does It