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GCSE Secondary Maths Age 13-17 - Ratio, Proportion & Rates of Change: Ratios - Explained
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Mathematics
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10th - 12th Grade
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Hard
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The video tutorial explains a problem involving the number of cousins each person has. Nisha has six cousins, Becky has twice as many as Nisha, and David has twice as many as Becky. The solution is worked out step-by-step, showing that David has 24 cousins. The video also explains the marks allocation for solving the problem, with one mark for calculating Becky's cousins and another for David's.
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