Question
A lorry and a Mercedes were travelling from Town Q to Town R which were 1050 km apart. The Mercedes set off 316 h later than the lorry but arrived 156 h earlier. If the average speed of the lorry was 70 km/h, find the average speed of the Mercedes.
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A lorry and a Mercedes were travelling from Town Q to Town R which were 1050 km apart. The Mercedes set off 316 h later than the lorry but arrived 156 h earlier. If the average speed of the lorry was 70 km/h, find the average speed of the Mercedes.