Question
City Z and City A is 532 km apart. At 09 35, Shiyun, travelling at a constant speed, left City Z for City A. At the same time, Mark set off from City A for City Z at a constant speed which was 5 km/h faster than Shiyun. Find Mark's speed if they met at 13 35.
3 m

Click button first when a symbol is required. X

City Z and City A is 532 km apart. At 09 35, Shiyun, travelling at a constant speed, left City Z for City A. At the same time, Mark set off from City A for City Z at a constant speed which was 5 km/h faster than Shiyun. Find Mark's speed if they met at 13 35.