4MA1/1F Jan 2020, Question 5: Combined Events with Two-Way Tables
Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 1F (Foundation) · Calculator · 2 marks
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The question, in short
List every possible sandwich-and-drink combination Paul can choose from the options C, E, T and O, M, W.
Summarised in our own words. Use the official paper for the exact wording and any diagrams.
Solution · 2 marks
- 1There are 3 sandwiches (C, E, T) and 3 drinks (O, M, W)
- 2Each sandwich can be paired with each drink, so 3 x 3 = 9 combinations
- 3With the cheese sandwich: CO, CM, CW
- 4With the egg sandwich: EO, EM, EW
- 5With the tomato sandwich: TO, TM, TW
AnswerCO, CM, CW, EO, EM, EW, TO, TM, TW
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