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

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