Question
A lorry and a Mercedes were travelling from Town B to Town C which were 990 km apart. The Mercedes set off 216 h later than the lorry but arrived 156 h earlier. If the average speed of the lorry was 66 km/h, find the average speed of the Mercedes.
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A lorry and a Mercedes were travelling from Town B to Town C which were 990 km apart. The Mercedes set off 216 h later than the lorry but arrived 156 h earlier. If the average speed of the lorry was 66 km/h, find the average speed of the Mercedes.