The rule of 72 is a handy rule used in finance to estimate quickly the time it takes to double a sum of capital given an interest rate, or to estimate the interest rate it takes to double a sum of money within a given amount of time. The rule states that interest percentage times the number of years it takes to double a principal amount of money is approximately equal to 72.
How to Use the Rule of 72
Wednesday, April 27, 2011
How to Use the Rule of 72
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