Question
Julie and Ahmad have a bicycle race. Julie cycles at a speed of 18 km/h. Ahmad cycles at a speed of 23 km/h. If Ahmad lets Julie start 50 min before him, how long will Ahmad take to catch up with Julie?
3 m

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Julie and Ahmad have a bicycle race. Julie cycles at a speed of 18 km/h. Ahmad cycles at a speed of 23 km/h. If Ahmad lets Julie start 50 min before him, how long will Ahmad take to catch up with Julie?