Question
Anna left home at 11.45 a.m. and drove towards the countryside. 2 hours later, her grandmother left their home and drove towards the same countryside at 80 km/h. When the grandmother reached the countryside at 5.45 p.m., Anna had another 2 km to travel. What was Anna’s average speed? Express your answer in mixed number.
3 m

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Anna left home at 11.45 a.m. and drove towards the countryside. 2 hours later, her grandmother left their home and drove towards the same countryside at 80 km/h. When the grandmother reached the countryside at 5.45 p.m., Anna had another 2 km to travel. What was Anna’s average speed? Express your answer in mixed number.