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

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