Question
A lorry and a Mercedes were travelling from Town R to Town S which were 560 km apart. The Mercedes set off 312 h later than the lorry but arrived 112 h earlier. If the average speed of the lorry was 56 km/h, find the average speed of the Mercedes.
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A lorry and a Mercedes were travelling from Town R to Town S which were 560 km apart. The Mercedes set off 312 h later than the lorry but arrived 112 h earlier. If the average speed of the lorry was 56 km/h, find the average speed of the Mercedes.