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

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