Question
Yen and Ahmad have a bicycle race. Yen cycles at a speed of 15 km/h. Ahmad cycles at a speed of 17 km/h. If Ahmad lets Yen start 40 min before him, how long will Ahmad take to catch up with Yen?
3 m

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Yen and Ahmad have a bicycle race. Yen cycles at a speed of 15 km/h. Ahmad cycles at a speed of 17 km/h. If Ahmad lets Yen start 40 min before him, how long will Ahmad take to catch up with Yen?