Question
Eva and Mark have a bicycle race. Eva cycles at a speed of 20 km/h. Mark cycles at a speed of 23 km/h. If Mark lets Eva start 27 min before him, how long will Mark take to catch up with Eva?
3 m

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Eva and Mark have a bicycle race. Eva cycles at a speed of 20 km/h. Mark cycles at a speed of 23 km/h. If Mark lets Eva start 27 min before him, how long will Mark take to catch up with Eva?