Question
Emily and Jack have a bicycle race. Emily cycles at a speed of 20 km/h. Jack cycles at a speed of 23 km/h. If Jack lets Emily start 27 min before him, how long will Jack take to catch up with Emily?
3 m

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Emily and Jack have a bicycle race. Emily cycles at a speed of 20 km/h. Jack cycles at a speed of 23 km/h. If Jack lets Emily start 27 min before him, how long will Jack take to catch up with Emily?