Question
City E and City F is 810 km apart. At 07 20, Gwen, travelling at a constant speed, left City E for City F. At the same time, Fred set off from City F for City E at a constant speed which was 11 km/h faster than Gwen. Find Fred's speed if they met at 13 20.
3 m

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City E and City F is 810 km apart. At 07 20, Gwen, travelling at a constant speed, left City E for City F. At the same time, Fred set off from City F for City E at a constant speed which was 11 km/h faster than Gwen. Find Fred's speed if they met at 13 20.