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

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