Question
Cathy and Asher have a bicycle race. Cathy cycles at a speed of 15 km/h. Asher cycles at a speed of 21 km/h. If Asher lets Cathy start 48 min before him, how long will Asher take to catch up with Cathy?
3 m

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Cathy and Asher have a bicycle race. Cathy cycles at a speed of 15 km/h. Asher cycles at a speed of 21 km/h. If Asher lets Cathy start 48 min before him, how long will Asher take to catch up with Cathy?