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For maximum Effectiveness : Please finish Ratios and percentages thoroughly before attempting this module.
Errata :
At 2:59, you have not flipped the ratio 2:1. Hence the answer that you got i.e 60 is incorrect. The average should be 50.
Негізгі бет Averages and Weighted Averages part 3 (Scale Method and Alligations )
Пікірлер: 19