Question
Wendy and Ken have a bicycle race. Wendy cycles at a speed of 15 km/h. Ken cycles at a speed of 18 km/h. If Ken lets Wendy start 36 min before him, how long will Ken take to catch up with Wendy?
3 m

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Wendy and Ken have a bicycle race. Wendy cycles at a speed of 15 km/h. Ken cycles at a speed of 18 km/h. If Ken lets Wendy start 36 min before him, how long will Ken take to catch up with Wendy?