Question
Gillian and Peter have a bicycle race. Gillian cycles at a speed of 15 km/h. Peter cycles at a speed of 22 km/h. If Peter lets Gillian start 28 min before him, how long will Peter take to catch up with Gillian?
3 m

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Gillian and Peter have a bicycle race. Gillian cycles at a speed of 15 km/h. Peter cycles at a speed of 22 km/h. If Peter lets Gillian start 28 min before him, how long will Peter take to catch up with Gillian?