Waiting for answer This question has not been answered yet. You can hire a professional tutor to get the answer.
If you are earning 7.2% on an investment, how long will it take the investment to double in value?
If you are earning 7.2% on an investment, how long will it take the investment to double in value? (use the Rule of 72--by taking 72 divided by the % you are earning on your investment)