4MA1/2F Jun 2022, Question 9: Constructing Equations
Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 2F (Foundation) · Calculator · 4 marks
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The question, in short
Three cups hold 200 millilitres each and four jugs hold x millilitres each; together they total 3.5 litres. Find the value of x.
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Solution · 4 marks
- 13.5 litres = 3.5 × 1000 = 3500 millilitres
- 2Water from the 3 cups = 3 × 200 = 600 millilitres
- 3Water from the 4 jugs = 3500 − 600 = 2900 millilitres
- 4Each jug holds 2900 ÷ 4 = 725 millilitres
- 5x = 725
Answer725
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