Ratio problem with basic algebra | Linear equations and inequalities | Algebra Basics | Khan Academy

Introduction to ratios | Ratios, proportions, units, and rates | Pre-Algebra | Khan Academy

Advanced ratio problems

Solving ratio problems with tables example 1 | Pre-Algebra | Khan Academy

Ratio example problems

Ratio word problem examples

Introduction to ratios | Ratios, rates, and percentages | 6th grade | Khan Academy

Ratios as fractions | Ratios, rates, and percentages | 6th grade | Khan Academy

Ratios and double number lines

Part to whole ratio word problem using tables

Ratios with tape diagrams

More advanced ratio problem--with Algebra (HD version)

Solving ratio problems with graph | Pre-Algebra | Khan Academy

Ratio word problem: centimeters to kilometers | Pre-Algebra | Khan Academy

Finding average speed or rate | Ratios, proportions, units, and rates | Pre-Algebra | Khan Academy

Solving unit rates problem | Ratios, proportions, units, and rates | Pre-Algebra | Khan Academy

Ratio and Proportion

Solving ratio problems with tables example 2 | Pre-Algebra | Khan Academy

Multiple rates word problem | Ratios, proportions, units, and rates | Pre-Algebra | Khan Academy

Percent word problem example 1 | Ratios, rates, and percentages | 6th grade | Khan Academy