|
|
 |
|
|
|
|
| rule of 72 [ rl əv sevv'ntee t ] |
noun |
|
| Definition: |
| |
way of estimating investment period: a rule used to calculate how long it will take to double the money in an investment. It is calculated by dividing the annual interest rate into 72 to give the number of years.
|
|
|
|