Question
Shiyun and Vincent have a bicycle race. Shiyun cycles at a speed of 15 km/h. Vincent cycles at a speed of 24 km/h. If Vincent lets Shiyun start 36 min before him, how long will Vincent take to catch up with Shiyun?
3 m

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Shiyun and Vincent have a bicycle race. Shiyun cycles at a speed of 15 km/h. Vincent cycles at a speed of 24 km/h. If Vincent lets Shiyun start 36 min before him, how long will Vincent take to catch up with Shiyun?