Question
Julie and Liam have a bicycle race. Julie cycles at a speed of 15 km/h. Liam cycles at a speed of 25 km/h. If Liam lets Julie start 40 min before him, how long will Liam take to catch up with Julie?
3 m

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Julie and Liam have a bicycle race. Julie cycles at a speed of 15 km/h. Liam cycles at a speed of 25 km/h. If Liam lets Julie start 40 min before him, how long will Liam take to catch up with Julie?