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4MA1/2FR Jan 2022, Question 19: 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 Mary's 2020 and 2021 savings to find a percentage increase, then decide which of two discount coupons saves Roberto more on accommodation and flights.

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Part (a) · 4 marks

Mary saved $720 in 2020 and $78 monthly in 2021. Find P, the percentage by which her 2021 total exceeds her 2020 total.

  1. 1720 ÷ 12 = 60
  2. 278 × 12 = 936
  3. 3936 − 720 = 216
  4. 4216 ÷ 720 = 0.3
  5. 50.3 × 100 = 30

Answer30

Part (b) · 3 marks

Accommodation $1600, flights $800. Coupon A gives 18% off accommodation; Coupon B gives 12.5% off both. Determine which coupon saves more.

  1. 10.18 × 1600 = 288
  2. 20.125 × (1600 + 800) = 0.125 × 2400 = 300
  3. 3288 < 300
  4. 4Coupon B saves more money

AnswerCoupon B

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