Question
The distance between City C and City D was 810 km apart. A lorry travelled at an average speed of 91 km/h from City C to City D. At the same time, a convertible travelled at an average speed of 71 km/h from City D to City C. How much further did the lorry travel than the convertible when the lorry met the convertible on the way?
3 m

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The distance between City C and City D was 810 km apart. A lorry travelled at an average speed of 91 km/h from City C to City D. At the same time, a convertible travelled at an average speed of 71 km/h from City D to City C. How much further did the lorry travel than the convertible when the lorry met the convertible on the way?