Question
Hilda and Julian have a bicycle race. Hilda cycles at a speed of 18 km/h. Julian cycles at a speed of 22 km/h. If Julian lets Hilda start 40 min before him, how long will Julian take to catch up with Hilda?
3 m

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Hilda and Julian have a bicycle race. Hilda cycles at a speed of 18 km/h. Julian cycles at a speed of 22 km/h. If Julian lets Hilda start 40 min before him, how long will Julian take to catch up with Hilda?