Rule Of 72 Financial Math Worksheet With Answer Key printable pdf download

Rule Of 72 Financial Math Worksheet With Answer Key

Name ________________________________ Date ________

RULE OF 72

DIRECTIONS:

Using the Rule of 72, answer the following questions. Please show your work.

1. Doug invested $2,500 into a Certificate of Deposit earning 6.5% interest. How long will it

take to double Doug’s investment?

2. The average Stock Market return since 1926 has been 11%. According to the Rule of 72, how

often will an individual’s investment double in that time?

3. Jessica has a balance of $2,200 on her credit card with an 18% interest rate. Her credit card

company doesn’t require a minimum payment on the balance (unheard of) and does not

assess any late charges (also unheard of). If Jessica chooses not to make any payments on

her outstanding balance, how long will it take for her balance to double?

4. Jacob has $5,000 that he has saved from doing odd jobs around the neighborhood. When he

graduates from college in four years, he would like to have $10,000 to use as a down payment

on a new car. If Jacob is going to realize his dream, what interest rate will he have to invest

his money at?

5. Rhonda is 22 years old and would like to invest $2,000 into a U.S. Treasury Note earning 7.5%

interest. How many times will Rhonda’s investment double before she draws it out at age 70?

Rule Of 72 Financial Math Worksheet With Answer Key