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

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