According to the rule of 72:
A) any amount should double in value in 72 months if invested at 10%.
B) 72/interest rate is the number of years approximately it will take for an amount to double.
C) 72 × interest rate is the number of years it will take for an amount to double.
D) the interest rate divided by the number of years invested will always equal 72%.

Question

Quizplus · Accepted Answer

The rule of 72 states that 72 divided by the interest rate is the approximate number of years it will take for an amount to double.

According to the Rule of 72