0580/11 May/Jun 2021, Question 22: Distance-Time Graphs
Cambridge IGCSE Mathematics 0580 · Paper 11 (Core) · Calculator · 4 marks
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The question, in short
Straight road AB is 130 km. Maxi leaves A at 40 km/h, 30 minutes before Pippa leaves B at 40 km/h. Find the distance from A where they meet.
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Solution · 4 marks
- 1In 30 minutes Maxi travels 40 × 30/60 = 20 km
- 2Distance left between them = 130 − 20 = 110 km
- 3Same speed, so each travels 110 ÷ 2 = 55 km more
- 4Distance from A = 20 + 55 = 75 km
Answer75
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