Proportions

1. Percent

1.1. commisions

1.2. Simple intrest

1.2.1. principle

1.3. percent of increase/decrease

1.3.1. Fees

1.3.2. Tax

1.3.3. Mark up

1.3.4. Mark down

1.3.5. Gratuity

1.3.6. Discount

1.4. Percent of error

1.5. Commisions

2. Proportional Relationships

2.1. unit rate

3. Ratio

3.1. Rate of change

3.2. slope

3.2.1. Y-intercept

3.3. Equivalent ratios

3.4. Rate

4. Smilar triangles

4.1. Scale factor

4.2. Dimensions

4.3. Scale drawing

4.3.1. Horizontal

4.3.2. Vertical