Question
Lynn and Ahmad have a bicycle race. Lynn cycles at a speed of 20 km/h. Ahmad cycles at a speed of 25 km/h. If Ahmad lets Lynn start 30 min before him, how long will Ahmad take to catch up with Lynn?
3 m

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Lynn and Ahmad have a bicycle race. Lynn cycles at a speed of 20 km/h. Ahmad cycles at a speed of 25 km/h. If Ahmad lets Lynn start 30 min before him, how long will Ahmad take to catch up with Lynn?