4MA1/1H Jan 2020, Question 5: Dividing in a Given Ratio
Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 1H (Higher) · Calculator · 6 marks
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The question, in short
With 120 children in a 3:5 girls-to-boys ratio, use the Sunday activity fractions and ratios to find how many children go sailing.
Summarised in our own words. Use the official paper for the exact wording and any diagrams.
Solution · 6 marks
- 1120 ÷ (3 + 5) = 15
- 215 × 3 = 45 (girls)
- 315 × 5 = 75 (boys)
- 445 ÷ 3 = 15 (girls climbing)
- 545 − 15 = 30 (girls sailing)
- 675 × 16/25 = 48 (boys climbing)
- 775 − 48 = 27 (boys sailing)
- 830 + 27 = 57
Answer57
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