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4024/21 Oct/Nov 2020, Question 1: Currency Conversions

Cambridge O Level Mathematics 4024 · Paper 21 (Calculator) · Calculator · 9 marks

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The question, in short

Work through Naseem's holiday costs: a discounted booking for two people, a pre-tax car hire price, fuel consumption per 100 km, and converting leftover euros back to dollars.

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

Part (a) · 2 marks

Find the total price for 2 people on a 7-night holiday at $340 each, applying the 8% early-booking discount since he books on 15 February.

  1. 1Discounted price per person = 340 × 0.92 = $312.80
  2. 2Total for 2 people = 2 × 312.80 = $625.60

Answer625.60

Part (b) · 2 marks

Given the car hire total of $241.50 including 15% tax, work out the cost before tax was added.

  1. 1$241.50 is 115% of the cost
  2. 2Cost excluding tax = 241.50 × 100/115 = $210

Answer210

Part (c) · 2 marks

Using 29.6 litres of fuel over 800 km, calculate the average fuel use in litres per 100 km.

  1. 1Rate = 29.6 ÷ 800 × 100
  2. 2= 3.7 litres per 100 km

Answer3.7

Part (d) · 3 marks

Convert $450 to euros at $1 = €0.82, subtract €297 spent, then convert the remainder back to dollars at $1 = €0.80.

  1. 1450 × 0.82 = €369
  2. 2369 − 297 = €72 left
  3. 372 ÷ 0.80 = $90

Answer90

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Also searched as: 4024/21/O/N/20 · 4024_w20_qp_21 · 4024 w20 21 · question 1.
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