Question
Kathy and Nick have a bicycle race. Kathy cycles at a speed of 20 km/h. Nick cycles at a speed of 25 km/h. If Nick lets Kathy start 45 min before him, how long will Nick take to catch up with Kathy?
3 m

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Kathy and Nick have a bicycle race. Kathy cycles at a speed of 20 km/h. Nick cycles at a speed of 25 km/h. If Nick lets Kathy start 45 min before him, how long will Nick take to catch up with Kathy?