4MA1/1FR Jan 2019, Question 17: Dividing in a Given Ratio
Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 1FR (Foundation) · Calculator · 4 marks
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The question, in short
With 60 children in a 3:1 girls to boys ratio, 3/5 of girls and 4/5 of boys play an instrument; find the fraction of all children who do.
Summarised in our own words. Use the official paper for the exact wording and any diagrams.
Solution · 4 marks
- 160 × 3/4 = 45
- 260 × 1/4 = 15
- 33/5 × 45 = 27
- 44/5 × 15 = 12
- 527 + 12 = 39
- 639 / 60 = 13/20
Answer13/20
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