4MA1/2FR Jan 2021, Question 6: Dividing in a Given Ratio
Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 2FR (Foundation) · Calculator · 4 marks
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The question, in short
Using 1200 g of mixture for three cakes, find each cake's weight given cake A takes 4/15 of the total and the remainder splits between B and C in the ratio 3 : 8.
Summarised in our own words. Use the official paper for the exact wording and any diagrams.
Solution · 4 marks
- 1Cake A: 4/15 × 1200 = 320 g
- 2Left for B and C: 1200 − 320 = 880 g
- 3Ratio 3 : 8 has 11 parts: 880 ÷ 11 = 80 g per part
- 4Cake B = 3 × 80 = 240 g and cake C = 8 × 80 = 640 g
- 5Cakes A, B, C: 320, 240, 640
Answer320, 240, 640
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