Question
City C and City D is 560 km apart. At 09 10, Irene, travelling at a constant speed, left City C for City D. At the same time, Cole set off from City D for City C at a constant speed which was 10 km/h faster than Irene. Find Cole's speed if they met at 13 10.
3 m

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City C and City D is 560 km apart. At 09 10, Irene, travelling at a constant speed, left City C for City D. At the same time, Cole set off from City D for City C at a constant speed which was 10 km/h faster than Irene. Find Cole's speed if they met at 13 10.