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

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