Question
City C and City D is 791 km apart. At 09 25, Shiyun, travelling at a constant speed, left City C for City D. At the same time, Fred set off from City D for City C at a constant speed which was 11 km/h faster than Shiyun. Find Fred's speed if they met at 16 25.
3 m

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City C and City D is 791 km apart. At 09 25, Shiyun, travelling at a constant speed, left City C for City D. At the same time, Fred set off from City D for City C at a constant speed which was 11 km/h faster than Shiyun. Find Fred's speed if they met at 16 25.