Question
Lucy and Michael have a bicycle race. Lucy cycles at a speed of 15 km/h. Michael cycles at a speed of 21 km/h. If Michael lets Lucy start 48 min before him, how long will Michael take to catch up with Lucy?
3 m

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Lucy and Michael have a bicycle race. Lucy cycles at a speed of 15 km/h. Michael cycles at a speed of 21 km/h. If Michael lets Lucy start 48 min before him, how long will Michael take to catch up with Lucy?