Question
Pamela and Flynn have a bicycle race. Pamela cycles at a speed of 15 km/h. Flynn cycles at a speed of 20 km/h. If Flynn lets Pamela start 40 min before him, how long will Flynn take to catch up with Pamela?
3 m

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Pamela and Flynn have a bicycle race. Pamela cycles at a speed of 15 km/h. Flynn cycles at a speed of 20 km/h. If Flynn lets Pamela start 40 min before him, how long will Flynn take to catch up with Pamela?