Question
A lorry and a Mercedes were travelling from Town N to Town P which were 690 km apart. The Mercedes set off 223 h later than the lorry but arrived 113 h earlier. If the average speed of the lorry was 69 km/h, find the average speed of the Mercedes.
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A lorry and a Mercedes were travelling from Town N to Town P which were 690 km apart. The Mercedes set off 223 h later than the lorry but arrived 113 h earlier. If the average speed of the lorry was 69 km/h, find the average speed of the Mercedes.