4MA1/1FR Jun 2019, Question 24: Dividing in a Given Ratio
Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 1FR (Foundation) · Calculator · 3 marks
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The question, in short
Tom is 15 now; three years back his age compared with Clemmie's as 2 to 7. Work out Clemmie's present age x.
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Solution · 3 marks
- 13 years ago Tom was 15 − 3 = 12
- 212 : (x − 3) = 2 : 7, so one part is 12 ÷ 2 = 6
- 3Clemmie was 6 × 7 = 42, so x − 3 = 42
- 4x = 45
Answer45
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