Question
City R and City S is 564 km apart. At 08 10, Emily, travelling at a constant speed, left City R for City S. At the same time, Oscar set off from City S for City R at a constant speed which was 7 km/h faster than Emily. Find Oscar's speed if they met at 12 10.
3 m

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City R and City S is 564 km apart. At 08 10, Emily, travelling at a constant speed, left City R for City S. At the same time, Oscar set off from City S for City R at a constant speed which was 7 km/h faster than Emily. Find Oscar's speed if they met at 12 10.