0580/13 May/Jun 2026, Question 4: Substitution
Cambridge IGCSE Mathematics 0580 · Paper 13 (Core) · Non-calculator · 2 marks
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The question, in short
Using a hire cost formula with a fixed charge and a daily rate, work out the total charge in dollars for a 7-day rental given $140 fixed and $30 per day.
Summarised in our own words. Use the official paper for the exact wording and any diagrams.
Solution · 2 marks
- 1cost = 140 + 30 × 7
- 2= 140 + 210
- 3= $350
Answer350
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