Question
Victoria and Henry have a bicycle race. Victoria cycles at a speed of 16 km/h. Henry cycles at a speed of 18 km/h. If Henry lets Victoria start 30 min before him, how long will Henry take to catch up with Victoria?
3 m

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Victoria and Henry have a bicycle race. Victoria cycles at a speed of 16 km/h. Henry cycles at a speed of 18 km/h. If Henry lets Victoria start 30 min before him, how long will Henry take to catch up with Victoria?