20-32 Flashcards
Principal
The total amount of money borrowed,not including interest or dividends
Proportion
Is when two ratios are equal
Proportional relationships
When two quantities always have the same size in relation to each other
Rate
A specific ratio in which two terms are in different units
Ratio
How much one thing is compared to another
Scale drawing
A drawing that shows a real object with accurate sizes reduced or enlarged
Similar figures
The ratios of their lengths of corresponding sides are equal
Simple interest
Calculated as the percent of the original loan
Tax
A sum of money demanded by a government for its supports for specific facilities or services
Unit Rates
A rate in which the second quantity in the comparison is one unit
Variable
A symbol used to represent a quantity that can change
Scale factors
A drawing that shows a real object with accurate sizes reduced or enlarged
