Question
Yen left home at 11.30 a.m. and drove towards the province. 2 hours later, her cousin left their home and drove towards the same province at 84 km/h. When the cousin reached the province at 5.30 p.m., Yen had another 3 km to travel. What was Yen’s average speed? Express your answer in mixed number.
3 m

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Yen left home at 11.30 a.m. and drove towards the province. 2 hours later, her cousin left their home and drove towards the same province at 84 km/h. When the cousin reached the province at 5.30 p.m., Yen had another 3 km to travel. What was Yen’s average speed? Express your answer in mixed number.