The distance-time graph shows the first two stages of a car journey from home to a holiday house.
- At what speed, in kilometres per hour, did the car travel during stage \(A\) of the journey? (1 mark)
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- For how long did the car stop during stage \(B\) of the journey? (1 mark)
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- After stage \(B\), the car continues to travel towards the holiday house at a constant speed of \(50\ \text{km/h}\) for 2 hours. Graph this part of the journey on the grid above. (2 marks)
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