Question
City C and City D is 780 km apart. At 06 45, Tiffany, travelling at a constant speed, left City C for City D. At the same time, Owen set off from City D for City C at a constant speed which was 12 km/h faster than Tiffany. Find Owen's speed if they met at 12 45.
3 m

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City C and City D is 780 km apart. At 06 45, Tiffany, travelling at a constant speed, left City C for City D. At the same time, Owen set off from City D for City C at a constant speed which was 12 km/h faster than Tiffany. Find Owen's speed if they met at 12 45.