Question
City B and City C is 720 km apart. At 07 10, Lynn, travelling at a constant speed, left City B for City C. At the same time, Carl set off from City C for City B at a constant speed which was 10 km/h faster than Lynn. Find Carl's speed if they met at 13 10.
3 m

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City B and City C is 720 km apart. At 07 10, Lynn, travelling at a constant speed, left City B for City C. At the same time, Carl set off from City C for City B at a constant speed which was 10 km/h faster than Lynn. Find Carl's speed if they met at 13 10.