4MA1/1FR Jan 2019, Question 12: Time Calculations
Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 1FR (Foundation) · Calculator · 3 marks
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The question, in short
Work out the duration of the fourth song in a four-song playlist totalling 20 minutes, given the first three songs' times in minutes and seconds.
Summarised in our own words. Use the official paper for the exact wording and any diagrams.
Solution · 3 marks
- 116s + 28s + 35s = 79s
- 26 min + 4 min + 4 min = 14 min
- 314 min + 79s = 15 min 19s
- 420 min − 15 min 19s = 4 min 41s
Answer4 minutes 41 seconds or 4:41
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