4MA1/2FR Jun 2022, Question 15: 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
Kim's spending N is split between food at 40%, clothes at 1/4, and petrol P. Find the ratio P : N as integers a : b in simplest form.
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Solution · 4 marks
- 140% = 2/5 = 8/20
- 21/4 = 5/20
- 31 − 8/20 − 5/20 = 7/20
- 4P : N = 7/20 : 1
- 5P : N = 7 : 20
Answer7 : 20
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