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4MA1/2H Jan 2020, Question 8: Percentage Increases and Decreases

Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 2H (Higher) · Calculator · 7 marks

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The question, in short

Using a table of insurance costs for 2016, 2017 and 2018, compare the two yearly percentage increases and calculate a 15% discount from a reduced price of 952 euros.

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Part (a) · 4 marks

Decide whether Brigitte's claim about the 2017 to 2018 increase exceeding the 2016 to 2017 increase is true, showing calculations.

  1. 12016 to 2017: 45 ÷ 500 × 100 = 9%
  2. 22017 to 2018: 47 ÷ 545 × 100 = 8.6%
  3. 38.6% is less than 9%, so No, 9% and 8.6%

AnswerNo, 9% and 8.6%

Part (b) · 3 marks

Given Henri pays 952 euros after a 15% discount, work out the discount amount in euros.

  1. 1After a 15% discount Henri pays 85% of the normal price
  2. 2Normal price = 952 ÷ 0.85 = 1120 euros
  3. 3Discount = 1120 − 952 = 168 euros

Answer168

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