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

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