Question
City W and City X is 620 km apart. At 08 20, Eva, travelling at a constant speed, left City W for City X. At the same time, Fred set off from City X for City W at a constant speed which was 11 km/h faster than Eva. Find Fred's speed if they met at 12 20.
3 m

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City W and City X is 620 km apart. At 08 20, Eva, travelling at a constant speed, left City W for City X. At the same time, Fred set off from City X for City W at a constant speed which was 11 km/h faster than Eva. Find Fred's speed if they met at 12 20.