Question
Rachel and Vincent have a bicycle race. Rachel cycles at a speed of 15 km/h. Vincent cycles at a speed of 18 km/h. If Vincent lets Rachel start 36 min before him, how long will Vincent take to catch up with Rachel?
3 m

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Rachel and Vincent have a bicycle race. Rachel cycles at a speed of 15 km/h. Vincent cycles at a speed of 18 km/h. If Vincent lets Rachel start 36 min before him, how long will Vincent take to catch up with Rachel?