Question
Cathy and Vaidev have a bicycle race. Cathy cycles at a speed of 15 km/h. Vaidev cycles at a speed of 22 km/h. If Vaidev lets Cathy start 28 min before him, how long will Vaidev take to catch up with Cathy?
3 m

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Cathy and Vaidev have a bicycle race. Cathy cycles at a speed of 15 km/h. Vaidev cycles at a speed of 22 km/h. If Vaidev lets Cathy start 28 min before him, how long will Vaidev take to catch up with Cathy?