Question
The distance between City X and City Y was 990 km apart. A convertible travelled at an average speed of 87 km/h from City X to City Y. At the same time, a bus travelled at an average speed of 78 km/h from City Y to City X. How much further did the convertible travel than the bus when the convertible met the bus on the way?
3 m

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The distance between City X and City Y was 990 km apart. A convertible travelled at an average speed of 87 km/h from City X to City Y. At the same time, a bus travelled at an average speed of 78 km/h from City Y to City X. How much further did the convertible travel than the bus when the convertible met the bus on the way?