Question
City P and City Q is 668 km apart. At 09 20, Opal, travelling at a constant speed, left City P for City Q. At the same time, Flynn set off from City Q for City P at a constant speed which was 5 km/h faster than Opal. Find Flynn's speed if they met at 13 20.
3 m

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City P and City Q is 668 km apart. At 09 20, Opal, travelling at a constant speed, left City P for City Q. At the same time, Flynn set off from City Q for City P at a constant speed which was 5 km/h faster than Opal. Find Flynn's speed if they met at 13 20.