Question
Tammy and Fabian have a bicycle race. Tammy cycles at a speed of 20 km/h. Fabian cycles at a speed of 23 km/h. If Fabian lets Tammy start 45 min before him, how long will Fabian take to catch up with Tammy?
3 m

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Tammy and Fabian have a bicycle race. Tammy cycles at a speed of 20 km/h. Fabian cycles at a speed of 23 km/h. If Fabian lets Tammy start 45 min before him, how long will Fabian take to catch up with Tammy?