| A | B |
| circle graph | a visual representation that can be used to compare parts of a data set to the whole set of data. |
| compound interest | Interest paid on the initial principal and on the interest earned in the past. |
| discount | the amount by which the regular price of an item is reduced. |
| interest | the amount of money oaid or earned for the use of the money. |
| markup | an increase in price |
| percent | a ratio that compares a number to 100. |
| percent equation | An equivalent from of the percent of proportion, where % is written as a decimal. |
| percent of change | a ratio that compares the change in quantity to the original amount. |
| percent of decrease | The ratio of an amount of decrease to the previous amount, expressed as a percent. A negative percent of change. |
| percent increase | The ratio of an amount of increase to the original amount, expressed as a percent. |
| percent proportion | part/whole = percent/100 or a/b = p/100 |
| principal | The money invested or borrowed. |
| selling price | the amount of money a customer pays for something. |
| simple interest | The amount of money paid or earned for the use of the money. I = prt (Interest = principal x rate x time) |