Question
Gwen and Luis have a bicycle race. Gwen cycles at a speed of 16 km/h. Luis cycles at a speed of 22 km/h. If Luis lets Gwen start 45 min before him, how long will Luis take to catch up with Gwen?
3 m

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Gwen and Luis have a bicycle race. Gwen cycles at a speed of 16 km/h. Luis cycles at a speed of 22 km/h. If Luis lets Gwen start 45 min before him, how long will Luis take to catch up with Gwen?