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Find how many students study German.
Mathematics 0580 · IGCSE · Ratio and proportion
Ratio and proportion — practice question
There are 70 students taking one of French, Spanish and German. The ratio of the number who study French to the number who study Spanish is 3 : 7. 15 students take French.
Worked solution & mark scheme
This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “The expression is $70 - \left(15 + \frac{15 \times 7}{3}\right)$.” …
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