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OCR Foundation · Paper 1 · May 2025 · Q19 · calculator

Ratio in the Form 1 : n

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From the paper · Q19 · 2 marks

The ratio 40 grams to 1 kilogram can be written in the form 1 : n.
Find the value of n.
OCR Foundation · Paper 1 · May 2025. Question © the exam board, shown for study.

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The ratio 50 grams to 1 kilogram can be written in the form 1 : n. Find the value of n.

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50 g : 1000 g = 1 : 20, so n = 20.