If there are 2 black pens, how many green pens are there?
GCSE Secondary Maths Age 13-17 - Ratio, Proportion & Rates of Change: Ratio - Explained
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Mathematics, Performing Arts
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10th - 12th Grade
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Hard
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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.
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2 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
Explain how you arrived at the fraction of black pens.
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