Question
Hilda and Justin have a bicycle race. Hilda cycles at a speed of 16 km/h. Justin cycles at a speed of 19 km/h. If Justin lets Hilda start 45 min before him, how long will Justin take to catch up with Hilda?
3 m

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Hilda and Justin have a bicycle race. Hilda cycles at a speed of 16 km/h. Justin cycles at a speed of 19 km/h. If Justin lets Hilda start 45 min before him, how long will Justin take to catch up with Hilda?