Hi, what do you want to do?
Khan Academy
Khan Academy: The Rule of 72 for Compound Interest
Using the Rule of 72 to approximate how long it will take for an investment to double at a given interest rate.
Khan Academy
Khan Academy: The Rule of 72 for Compound Interest
Using the Rule of 72 to approximate how long it will take for an investment to double at a given interest rate. [9:10]