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4MA1/2F Jan 2021, Question 4: Calculating a Percentage of a Quantity

Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 2F (Foundation) · Calculator · 5 marks

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The question, in short

A 30-tile rectangle uses yellow, blue and red tiles; 30% yellow and 1/3 blue, the remainder red. Find the red tile count, then order five given values by size.

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

Part (a) · 3 marks

Calculate how many of the 30 tiles are red, given 30% yellow and 1/3 blue.

  1. 10.3 × 30 = 9
  2. 21/3 × 30 = 10
  3. 39 + 10 = 19
  4. 430 − 19 = 11

Answer11

Part (b) · 2 marks

Arrange 0.76, 25%, 0.0766, 8% and 0.026 from smallest to largest.

  1. 125% = 0.25
  2. 28% = 0.08
  3. 30.76, 0.25, 0.0766, 0.08, 0.026
  4. 40.026 < 0.0766 < 0.08 < 0.25 < 0.76
  5. 50.026, 0.0766, 8%, 25%, 0.76

Answer0.026, 0.0766, 8%, 25%, 0.76

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