If you presently have $50,000 saved and earn 15 percent interest per year,about how many years will it take for your investment to triple?
A)6
B)8
C)10
D)12

Question

Quizplus · Accepted Answer

Using the rule of 72, you can estimate the number of years to triple an investment by dividing 72 by the interest rate. 72 / 15 ≈ 4.8 years to double. To triple, it takes slightly less than two doubling periods, which is approximately 8 years.

If You Presently Have $50,000 Saved and Earn 15 Percent