Question
City F and City G is 580 km apart. At 07 20, Kathy, travelling at a constant speed, left City F for City G. At the same time, Japheth set off from City G for City F at a constant speed which was 13 km/h faster than Kathy. Find Japheth's speed if they met at 11 20.
3 m

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City F and City G is 580 km apart. At 07 20, Kathy, travelling at a constant speed, left City F for City G. At the same time, Japheth set off from City G for City F at a constant speed which was 13 km/h faster than Kathy. Find Japheth's speed if they met at 11 20.