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This math video tutorial provides a basic introduction into equivalent ratios. It explains how to tell if two ratios are equivalent by simplifying the fractions and by calculating the cross products.

Percentage Word Problems:

Unit Rates, Ratios, & Proportions:


Ratios and Proportions - Word Problems:


Ratios and Proportions - SAT Math:


Ratios and Proportions - Mean & Geometry:


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Acid Mixture Word Problems:


Translating Words to Algebraic Expressions:


Words to Equations - More Problems:


Consecutive Integers Word Problems:


Age Word Problems - Past, Present, Future:


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Final Exams and Video Playlists:

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