Question
Tina and Ian have a bicycle race. Tina cycles at a speed of 16 km/h. Ian cycles at a speed of 19 km/h. If Ian lets Tina start 45 min before him, how long will Ian take to catch up with Tina?
3 m

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Tina and Ian have a bicycle race. Tina cycles at a speed of 16 km/h. Ian cycles at a speed of 19 km/h. If Ian lets Tina start 45 min before him, how long will Ian take to catch up with Tina?