Question
A van and a Porsche were travelling from Town Z to Town A which were 580 km apart. The Porsche set off 323 h later than the van but arrived 113 h earlier. If the average speed of the van was 58 km/h, find the average speed of the Porsche.
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A van and a Porsche were travelling from Town Z to Town A which were 580 km apart. The Porsche set off 323 h later than the van but arrived 113 h earlier. If the average speed of the van was 58 km/h, find the average speed of the Porsche.