Question
Nora and Peter have a bicycle race. Nora cycles at a speed of 18 km/h. Peter cycles at a speed of 22 km/h. If Peter lets Nora start 40 min before him, how long will Peter take to catch up with Nora?
3 m

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Nora and Peter have a bicycle race. Nora cycles at a speed of 18 km/h. Peter cycles at a speed of 22 km/h. If Peter lets Nora start 40 min before him, how long will Peter take to catch up with Nora?