Question
City R and City S is 812 km apart. At 08 45, Gabby, travelling at a constant speed, left City R for City S. At the same time, Warren set off from City S for City R at a constant speed which was 12 km/h faster than Gabby. Find Warren's speed if they met at 15 45.
3 m

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City R and City S is 812 km apart. At 08 45, Gabby, travelling at a constant speed, left City R for City S. At the same time, Warren set off from City S for City R at a constant speed which was 12 km/h faster than Gabby. Find Warren's speed if they met at 15 45.