Question
City K and City L is 774 km apart. At 08 15, Jade, travelling at a constant speed, left City K for City L. At the same time, Mark set off from City L for City K at a constant speed which was 13 km/h faster than Jade. Find Mark's speed if they met at 14 15.
3 m

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City K and City L is 774 km apart. At 08 15, Jade, travelling at a constant speed, left City K for City L. At the same time, Mark set off from City L for City K at a constant speed which was 13 km/h faster than Jade. Find Mark's speed if they met at 14 15.