Question
City J and City K is 615 km apart. At 06 10, Gem, travelling at a constant speed, left City J for City K. At the same time, Archie set off from City K for City J at a constant speed which was 5 km/h faster than Gem. Find Archie's speed if they met at 11 10.
3 m

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City J and City K is 615 km apart. At 06 10, Gem, travelling at a constant speed, left City J for City K. At the same time, Archie set off from City K for City J at a constant speed which was 5 km/h faster than Gem. Find Archie's speed if they met at 11 10.