Question
Jane left home at 11.40 a.m. and drove towards the suburb. 3 hours later, her uncle left their home and drove towards the same suburb at 85 km/h. When the uncle reached the suburb at 7.40 p.m., Jane had another 5 km to travel. What was Jane’s average speed? Express your answer in mixed number.
3 m

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Jane left home at 11.40 a.m. and drove towards the suburb. 3 hours later, her uncle left their home and drove towards the same suburb at 85 km/h. When the uncle reached the suburb at 7.40 p.m., Jane had another 5 km to travel. What was Jane’s average speed? Express your answer in mixed number.