Question
City Z and City A is 712 km apart. At 09 10, Cathy, travelling at a constant speed, left City Z for City A. At the same time, Liam set off from City A for City Z at a constant speed which was 12 km/h faster than Cathy. Find Liam's speed if they met at 13 10.
3 m

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City Z and City A is 712 km apart. At 09 10, Cathy, travelling at a constant speed, left City Z for City A. At the same time, Liam set off from City A for City Z at a constant speed which was 12 km/h faster than Cathy. Find Liam's speed if they met at 13 10.