Question
Jane and John have a bicycle race. Jane cycles at a speed of 18 km/h. John cycles at a speed of 22 km/h. If John lets Jane start 40 min before him, how long will John take to catch up with Jane?
3 m

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Jane and John have a bicycle race. Jane cycles at a speed of 18 km/h. John cycles at a speed of 22 km/h. If John lets Jane start 40 min before him, how long will John take to catch up with Jane?