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

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