The "rule of 72" states that the number of periods "n" that it will take to double an investment whose rate of return is "r" percent is approximately 72/r. That is, nr is approximately equal to 72. Verify this approximation for r = 4,6,8 and 10.© BrainMass Inc. brainmass.com March 4, 2021, 10:45 pm ad1c9bdddf
In order to answer this question, we need to calculate the time period (since we ...
The solution explains the calculations using rule of 72.