Question
Jade and Warren have a bicycle race. Jade cycles at a speed of 20 km/h. Warren cycles at a speed of 22 km/h. If Warren lets Jade start 30 min before him, how long will Warren take to catch up with Jade?
3 m

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Jade and Warren have a bicycle race. Jade cycles at a speed of 20 km/h. Warren cycles at a speed of 22 km/h. If Warren lets Jade start 30 min before him, how long will Warren take to catch up with Jade?