Question
Emily and Warren have a bicycle race. Emily cycles at a speed of 15 km/h. Warren cycles at a speed of 20 km/h. If Warren lets Emily start 40 min before him, how long will Warren take to catch up with Emily?
3 m

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Emily and Warren have a bicycle race. Emily cycles at a speed of 15 km/h. Warren cycles at a speed of 20 km/h. If Warren lets Emily start 40 min before him, how long will Warren take to catch up with Emily?