0580/11 May/Jun 2025, Question 7: Constructing Equations
Cambridge IGCSE Mathematics 0580 · Paper 11 (Core) · Non-calculator · 2 marks
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The question, in short
Two short expression-writing items: one about the total price of several tickets at $18 each, one about how many balls are in a bag with n red and 16 green balls.
Summarised in our own words. Use the official paper for the exact wording and any diagrams.
Part (a) · 1 mark
Give an expression in dollars for what t tickets cost when one ticket is $18.
- 1t tickets at $18 each: 18t
Answer18t
Part (b) · 1 mark
Give an expression for the total count of balls when a bag holds n red balls and 16 green ones.
- 1n red + 16 green = n + 16
Answern + 16
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