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4MA1/2FR Jun 2023, Question 21: Percentage Increases and Decreases

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

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The question, in short

Compare Pierre's weekly pay between jobs to find a percentage increase, then find Marie's salary before a 6% decrease gave 23030 euros.

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

Part (a) · 4 marks

Calculate Pierre's new weekly pay from 14 euros per hour over 7 hours for 5 days, then find the percentage increase from 400 euros.

  1. 17 × 5 × 14 = 490
  2. 2490 − 400 = 90
  3. 390 / 400 = 0.225
  4. 40.225 × 100 = 22.5

Answer22.5

Part (b) · 3 marks

Find Marie's original salary given that a 6% decrease results in a new salary of 23030 euros.

  1. 1100% − 6% = 94%
  2. 223030 ÷ 94 = 245
  3. 3245 × 100 = 24500

Answer24 500

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