Question
Sabrina and Peter have a bicycle race. Sabrina cycles at a speed of 20 km/h. Peter cycles at a speed of 25 km/h. If Peter lets Sabrina start 45 min before him, how long will Peter take to catch up with Sabrina?
3 m

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Sabrina and Peter have a bicycle race. Sabrina cycles at a speed of 20 km/h. Peter cycles at a speed of 25 km/h. If Peter lets Sabrina start 45 min before him, how long will Peter take to catch up with Sabrina?