Question
Diana and Justin have a bicycle race. Diana cycles at a speed of 16 km/h. Justin cycles at a speed of 24 km/h. If Justin lets Diana start 30 min before him, how long will Justin take to catch up with Diana?
3 m

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Diana and Justin have a bicycle race. Diana cycles at a speed of 16 km/h. Justin cycles at a speed of 24 km/h. If Justin lets Diana start 30 min before him, how long will Justin take to catch up with Diana?