4MA1/1F Jun 2018, Question 7: Direct Proportion in Real Life
Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 1F (Foundation) · Calculator · 4 marks
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The question, in short
Given 3 kg potatoes plus 2 kg apples total £7.33 and 4 kg potatoes cost £3.80, find the price of one kilogram of apples.
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Solution · 4 marks
- 11 kg of potatoes costs 3.80 ÷ 4 = £0.95
- 23 kg of potatoes cost 3 × 0.95 = £2.85
- 32 kg of apples cost 7.33 − 2.85 = £4.48
- 41 kg of apples costs 4.48 ÷ 2 = 2.24
Answer2.24
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