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Vocab chk 4 PACE
4th vocabulary check 2013 14
| Term | Definition |
|---|---|
| inverse operation | are opposite mathematical computations, such as addition and subtraction |
| nth term | refers to the position of any number in a sequence |
| variable | a symbol, usually a letter, used to represent a number |
| commission | money earned for the sale of an item, usually a percentage of the sale price |
| discount | the amount of money saved on a purchase, which is subtracted from the original price |
| percent of change | compares a change in quantity to the original amount |
| proportion | an equation that shows that two ratios are equivalent |
| rate | a ratio that compares two numbers with different kinds of units (for example, price:item, miles per gallon, meters/second) |
| sale price | the cost of an item after a discount is taken |
| tax | percent of the original, or purchase price that is added to that price (which is paid to the government |
| tip | an additional percentage added to the cost of an item (meal, or haircut, etc.) given to the person providing the service. |
| unit rate | a rate with a denominator of one |
Created by:
laura.bearden
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