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0580/12 Oct/Nov 2021, Question 19: Constructing Equations

Cambridge IGCSE Mathematics 0580 · Paper 12 (Core) · Calculator · 3 marks

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The question, in short

Angelique pays $95.25 to rent a room costing $15.50 for the first hour plus $7.25 per extra hour. Work out the total number of hours rented.

Summarised in our own words. Use the official paper for the exact wording and any diagrams.

Solution · 3 marks

  1. 1Cost after the first hour = 95.25 − 15.50 = 79.75
  2. 2Additional hours = 79.75 ÷ 7.25 = 11
  3. 3Total = 1 + 11 = 12 hours

Answer12

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