Question
Barbara and Rael have a bicycle race. Barbara cycles at a speed of 15 km/h. Rael cycles at a speed of 18 km/h. If Rael lets Barbara start 48 min before him, how long will Rael take to catch up with Barbara?
3 m

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Barbara and Rael have a bicycle race. Barbara cycles at a speed of 15 km/h. Rael cycles at a speed of 18 km/h. If Rael lets Barbara start 48 min before him, how long will Rael take to catch up with Barbara?