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Hans is an explorer. Last year he was driving across some pretty difficult terrain in South America. One particular journey of his involved travelling for six hours at a steady 15kn/hr and then for two and half hours at 24 km/hr. How far did Hans travel altogether on this journey?

Hans is an explorer. Last year he was driving across some pretty difficult terrain in South America. One particular journey of his involved travelling for six hours at a steady 15kn/hr and then [...]

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