Question
Fiona and Luis have a bicycle race. Fiona cycles at a speed of 15 km/h. Luis cycles at a speed of 18 km/h. If Luis lets Fiona start 48 min before him, how long will Luis take to catch up with Fiona?
3 m

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Fiona and Luis have a bicycle race. Fiona cycles at a speed of 15 km/h. Luis cycles at a speed of 18 km/h. If Luis lets Fiona start 48 min before him, how long will Luis take to catch up with Fiona?