martes, 3 de enero de 2017

Desde Investopedia

Rule Of 72
The rule of 72 is a shortcut to estimate the number of years required to double your money at a given annual rate of return. The rule states that you divide the rate, expressed as a percentage, into 72: 

Years required to double investment = 72 ÷ compound annual interest rate

Note that a compound annual return of 8% is plugged into this equation as 8, not 0.08, giving a result of 9 years (not 900).
Breaking it Down:
The rule of 72 is a useful shortcut, since the equations related to compound interest are too... Read More

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