Question
Pamela and Ian have a bicycle race. Pamela cycles at a speed of 20 km/h. Ian cycles at a speed of 22 km/h. If Ian lets Pamela start 30 min before him, how long will Ian take to catch up with Pamela?
3 m

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Pamela and Ian have a bicycle race. Pamela cycles at a speed of 20 km/h. Ian cycles at a speed of 22 km/h. If Ian lets Pamela start 30 min before him, how long will Ian take to catch up with Pamela?