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0580/32 Oct/Nov 2021, Question 1: Number Review: Mixed Practice

Cambridge IGCSE Mathematics 0580 · Paper 32 (Core) · Calculator · 12 marks

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The question, in short

Work with café prices, a spending ratio, a ticket price increase, a train timetable, and a pie chart of ticket sales at Washby station.

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

Part (a) · 3 marks

Find Gary's change from $20 after buying 2 coffees at $3.25 and 4 colas at $2.15.

  1. 12 × 3.25 = 6.50
  2. 24 × 2.15 = 8.60
  3. 3Total = 15.10
  4. 4Change = 20 − 15.10 = $4.90

Answer4.90

Part (b) · 2 marks

Given $37.80 split food:drink = 7:2, work out the amount spent on food.

  1. 1One part = 37.80 ÷ 9 = 4.20
  2. 2Food = 7 × 4.20 = $29.40

Answer29.40

Part (c) · 2 marks

Find the new price of a $48 train ticket after a 12% increase.

  1. 1Multiplier = 1.12
  2. 248 × 1.12 = $53.76

Answer53.76

Part (d) · 2 marks

Using the Washby and Dunstley times, complete the timetable, given all trains take equal time.

  1. 109 18 to 10 03 = 45 min
  2. 211 05 + 45 min = 11 50

Answer11 50

Part (e) · 3 marks

Using 28 senior, 192 adult and some child tickets, complete the pie chart with the 42° senior sector.

  1. 128 tickets ↔ 42°, so 1 ticket ↔ 42/28 = 1.5°
  2. 2Adult: 192 × 1.5 = 288°
  3. 3Child: 360 − 42 − 288 = 30°
  4. 4Draw and label the Adult (288°) and Child (30°) sectors

AnswerCorrect pie chart drawn: Adult 288°, Child 30°

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Also searched as: 0580/32/O/N/21 · 0580_w21_qp_32 · 0580 w21 32 · question 1.
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