Question
Zoe left home at 11.50 a.m. and drove towards the suburb. 3 hours later, her cousin left their home and drove towards the same suburb at 82 km/h. When the cousin reached the suburb at 7.50 p.m., Zoe had another 4 km to travel. What was Zoe’s average speed? Express your answer in mixed number.
3 m

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Zoe left home at 11.50 a.m. and drove towards the suburb. 3 hours later, her cousin left their home and drove towards the same suburb at 82 km/h. When the cousin reached the suburb at 7.50 p.m., Zoe had another 4 km to travel. What was Zoe’s average speed? Express your answer in mixed number.