4MA1/1H Jun 2020, Question 6: Speed, Distance and Time
Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 1H (Higher) · Calculator · 3 marks
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The question, in short
Calculate the time in seconds, to the nearest second, for a 100 km journey at 28 440 km/h.
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Solution · 3 marks
- 1Time = 100 ÷ 28 440 = 0.003516… hours
- 2In seconds: 0.003516… × 3600 = 12.65…
- 3To the nearest second: 13
Answer13
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