Question
Diana and Lee have a bicycle race. Diana cycles at a speed of 20 km/h. Lee cycles at a speed of 23 km/h. If Lee lets Diana start 36 min before him, how long will Lee take to catch up with Diana?
3 m

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Diana and Lee have a bicycle race. Diana cycles at a speed of 20 km/h. Lee cycles at a speed of 23 km/h. If Lee lets Diana start 36 min before him, how long will Lee take to catch up with Diana?