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0580/32 Oct/Nov 2025, Question 14: Time Calculations

Cambridge IGCSE Mathematics 0580 · Paper 32 (Core) · Calculator · 5 marks

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The question, in short

Calculate Ada's weekly working hours from her daily schedule, then use her hourly rate to find pay, Saturday rate, and a euro-to-dollar conversion at $1 = 0.925 euros.

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Part (a) · 2 marks

Find total hours worked across 5 days given daily times 08 00 to 12 30 and 13 30 to 17 00.

  1. 108 00 to 12 30 = 4.5 h; 13 30 to 17 00 = 3.5 h
  2. 2Each day = 4.5 + 3.5 = 8 h
  3. 35 days = 5 × 8 = 40 hours

Answer40

Part (b) · 1 mark

Work out pay for the 5 days at $15.20 per hour.

  1. 1Pay = 40 × 15.20 = $608

Answer608

Part (c) · 1 mark

Find Saturday hourly rate, which is 1 1/2 times the normal rate.

  1. 11.5 × 15.20 = $22.80

Answer22.80

Part (d) · 1 mark

Convert 370 euros to dollars using $1 = 0.925 euros.

  1. 1370 ÷ 0.925 = $400

Answer400

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