Math - Unit 2 Vocab List
An equation that two ratios are equal.
Proportion
A ratio using different units.
Rate
A rate that the denominator is.
Unit Rate
A relationship between two quantities in which relationship is constant.
Proportional Relationship
A constant ratio of two variables related proportionally.
Constant of Proportionality
A ratio that describes how one quantity changes in relation to another quantity.
Rate of Change
The amount an item increases in price (percent).
Percent of Increase
The amount an item decreases in value (percent)
Percent of Decrease
An amount added to the cost of an item.
Markup
The amount in which the regular price is reduced.
Discount
The cost added to the markup.
Selling Price
Your regular price minus the discount.
Sale Price
A number based out of 100.
Percent
The original amount borrowed or deposited.
Principal
A fixed percent of the principal.
Simple Interest
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