Question
Kathy and Billy have a bicycle race. Kathy cycles at a speed of 20 km/h. Billy cycles at a speed of 24 km/h. If Billy lets Kathy start 48 min before him, how long will Billy take to catch up with Kathy?
3 m

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Kathy and Billy have a bicycle race. Kathy cycles at a speed of 20 km/h. Billy cycles at a speed of 24 km/h. If Billy lets Kathy start 48 min before him, how long will Billy take to catch up with Kathy?