0580/42 Oct/Nov 2025, Question 1: Ratios in Simplest Form
Cambridge IGCSE Mathematics 0580 · Paper 42 (Extended) · Calculator · 2 marks
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The question, in short
Convert the ratio 60 grams : 3 kilograms into the form 1 : n, converting units first.
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Solution · 2 marks
- 160 g : 3 kg = 60 : 3000
- 2Divide both by 60: 1 : 3000 ÷ 60
- 3= 1 : 50, so n = 50
Answer50
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