GCSE Secondary Maths Age 13-17 - Ratio, Proportion & Rates of Change: Ratio - Explained

The video tutorial explains how to determine the fraction of black pens in a box given a ratio of black to green pens as 2 to 5. It breaks down the ratio into a fraction, showing that 2 out of 7 pens are black, and concludes with the final answer of 2/7, which is worth one mark.

What new insight or understanding did you gain from this video?

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