| A | B |
|---|
| ratio | a comparison of two numbers by division |
| equivalent ratios | two ratios that have the same value |
| rate | a ratio of two measurements with different units |
| unit rate | a rate in which the denominator is one unit |
| population density | the population per square mile |
| proportion | an equation that shows that two ratios are equivalent |
| cross products | these are equal in a proportion |
| scale drawing | a drawing that is similar but either larger or smaller than the actual object |
| scale | intervals used representing the ratio of distance on the map to actual distance |
| percentage | a number that is compared to another number called the base |
| base | the number to which the percentage is compared |
| rate | the ratio of a number to 100 |
| percent proportion | P/B = r/100 |
