| A | B |
|---|
| Commission | Earnings based on the amount of total sales. |
| Discount | A reduction made from the gross amount or value of something; a reduction made from the regular or list price. |
| Expenses* | Costs that need to be paid for a product or service |
| Gratuity* | A tip or gift given for a service provided added above the bill. |
| Income | The amount of money received for labor, for services, from the sale of goods or property, or from investments. |
| Interest | The amount of money charged for borrowing money or the profit (usually money) that is made on invested capital. |
| Interest Rate | The percent of interest charged on money borrowed or earned on money invested each year. |
| Markup | The amount above basic cost for which an item is sold. |
| Per* | 1.preposition. for each; for every; out of. 2.v. divided by (symbol /) |
| Percent | A number expressed in relation to 100; represented by the symbol % (e.g., 40 parts out of 100 is 40%). |
| Percent Decrease | The magnitude of decrease expressed as a percent of the original quantity. Final minus Original is Negative. |
| Percent Increase | The magnitude of increase expressed as a percent of the original quantity. Final minus Original is Positive. |
| Percent Change* | The difference in value divided by the original times 100% |
| Percentage* | 1. per 100, out of 100, for every hundred (symbol % or /100). 2. a comparison to 100. 3. v. divided by 100. |
| Profit | The amount of money left after expenses have been subtracted from income. |
| Proportion | An equation which states that two ratios are equivalent (e.g., 5/10 = 1/2 or 5:10 = 1:2). |
| Proportional Reasoning | Using the concept of proportions when analyzing and solving a mathematical situation. |
| Rate | A ratio that compares quantities of different units (e.g., miles per hour, price per pound, students per class, heartbeats per minute). |
| Rate of Change | The amount the function's output increases or decreases for each unit of change in the input. |
| Rate of Interest | The percent charged or paid for the use of money. |
| Ratio | A comparison of two numbers or two like quantities by division (e.g.,the ratio of girls to boys is two to three, ⅔ ,2 to 3,or 2:3) |
| Sale Price | The price of a product after the discount has been subtracted from the original price. |
| Sales | The amount of money generated when goods are sold. |
| Simple Interest | The amount obtained by multiplying the principal by the rate by the time(in years); I = prt. |
| Tax* | An additional fee paid to the government, usually a percentage of the price added onto the price of an item paid. Equals the Tax Rate x Price |
| Tax Rate* | The percentage of the item price charged as tax. |
| Percent Off* | Similar to a discount, tells the buyer the percent of the price taken off the regular price. |
| Sale* | An event where someone gets a lower price than normally charged. |
| Total Cost* | The out the door cost. The price plus any taxes and tips. |
| Best Buy* | The item with the lowest unit price |
| Unit Price* | The ratio of price divided by the # of items. Gives price per one item. |
| Unit Rate* | The rate per one unit in the denominator. |
| Discount Amount* | Found by taking the Percent Off times Regular/Original Price |
| Original Price* | The starting or regular price. In percent change problems, this earlier price goes in the denominator. |
| Percent Off* | Similar to a discount, tells the buyer the discount rate of a sale. |
| Tip* | An additional fee added to a bill for service provided. At a restaurant, normally between 15%-20% |
| Principle* | In an interest problem, the money initially borrowed or loaned. P in the equation I = prt |
| Time* | t in the equation I = prt. Must be in units of years. Ex 12 months = 1 year. t = 1 |
