Question
Linda and Bobby have a bicycle race. Linda cycles at a speed of 16 km/h. Bobby cycles at a speed of 20 km/h. If Bobby lets Linda start 45 min before him, how long will Bobby take to catch up with Linda?
3 m

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Linda and Bobby have a bicycle race. Linda cycles at a speed of 16 km/h. Bobby cycles at a speed of 20 km/h. If Bobby lets Linda start 45 min before him, how long will Bobby take to catch up with Linda?