Rule of 72 72/ interest rate = years to double investment A number of different types of investment options are listed in the first column in the chart below. Using the tools of a financial reporting website, like bankrate.com or yahoofinance.com, find a provider for each type of investment listed. List the name of the fund or bank that you found in the second column and the rate of return in the third column. Finally, use the Rule of 72 (right) to determine how long it will take your money to double using that particular type of investment, and write it in the fourth column. 72/the years it takes to double =interest rate The International Mutual Fund investment has been filled in as an example. 1. INVESTMENT NAME OF FUND OR BANK RATE OF RETURN YEARS TO DOUBLE Money Market Mutual Fund International Mutual Fund Stanley Global Bond Fund 13.9% 5.2 years Passbook Savings Account Checking Account 3-Year Certificate of Deposit 5-Year Certificate of Deposit Growth Stock Mutual Fund