Question
A van and a Porsche were travelling from Town S to Town T which were 832 km apart. The Porsche set off 213 h later than the van but arrived 223 h earlier. If the average speed of the van was 64 km/h, find the average speed of the Porsche.
2 m

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A van and a Porsche were travelling from Town S to Town T which were 832 km apart. The Porsche set off 213 h later than the van but arrived 223 h earlier. If the average speed of the van was 64 km/h, find the average speed of the Porsche.