Question

Using the rule of 72, t = StartFraction 72 Over r EndFraction, how long will it take for the principal to double with an annual compound interest rate of 6%? 6 years 9 years 12 years 15 years

Answer 1

12

Step-by-step explanation:

I just got it correct.

Answer 2

12 years

Step-by-step explanation:

just took the test