Percentage, Base, and Rate Problems

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This math video tutorial explains how to solve percentage, base, and rate problems.

Percentages Made Easy:

Percentage, Base, & Rate Problems:


Part, Whole, & Percent Proportion:


Percent Increase & Decrease Problems:


Percent Error:


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Percentage Word Problems:


Sales Price After Discount:


Sales Tax, Discount, & Original Price:


How To Calculate The Original Price:


Unique Percentage Problem:


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Percent Uncertainty In Measurement:


Percent Composition By Mass:


Percent Abundance - Elements & Isotopes:


APR vs APY:


The Dividend Yield:


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Final Exams and Video Playlists:


Full-Length Videos and Worksheets: