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

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