Question
A van and a Porsche started travelling from Town B to Town C at the same time. After 3 hours, the Porsche reached Town C while the van covered only 57 of the journey. The speed of the van was 28 km/h less than the speed of the Porsche. Find the speed of the Porsche.
3 m

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A van and a Porsche started travelling from Town B to Town C at the same time. After 3 hours, the Porsche reached Town C while the van covered only 57 of the journey. The speed of the van was 28 km/h less than the speed of the Porsche. Find the speed of the Porsche.