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

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