Question
Kylie and Wesley have a bicycle race. Kylie cycles at a speed of 15 km/h. Wesley cycles at a speed of 20 km/h. If Wesley lets Kylie start 40 min before him, how long will Wesley take to catch up with Kylie?
3 m

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Kylie and Wesley have a bicycle race. Kylie cycles at a speed of 15 km/h. Wesley cycles at a speed of 20 km/h. If Wesley lets Kylie start 40 min before him, how long will Wesley take to catch up with Kylie?