Solving for Discounts and Mark Ups Using Ratio Rotation - Free Civil Service Review
10:25
Shadow Problems - Using Ratio Rotation - Civil Service Review
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Solving for Discounts and Mark Ups (Traditional Method) [CC] - Free Civil Service Review
22:05
Changing Ratios | Word Problems
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WATCH this Percentage Tricks | Never Taught At School
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How to Solve Problems Using PEMDAS : FUNdamentals - Civil Service Exam Review
22:49
Ratio Rotation - Proportion : Speed Math Technique | CSE and UPCAT Review
20:12
Comparing Fractions: Speed Techniques
11:15