Question
Cindy left home at 11.35 a.m. and drove towards the suburb. 2 hours later, her grandmother left their home and drove towards the same suburb at 80 km/h. When the grandmother reached the suburb at 5.35 p.m., Cindy had another 2 km to travel. What was Cindy’s average speed? Express your answer in mixed number.
3 m

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Cindy left home at 11.35 a.m. and drove towards the suburb. 2 hours later, her grandmother left their home and drove towards the same suburb at 80 km/h. When the grandmother reached the suburb at 5.35 p.m., Cindy had another 2 km to travel. What was Cindy’s average speed? Express your answer in mixed number.