Question
Tina left home at 11.25 a.m. and drove towards the city. 2 hours later, her father left their home and drove towards the same city at 91 km/h. When the father reached the city at 5.25 p.m., Tina had another 4 km to travel. What was Tina’s average speed? Express your answer in mixed number.
3 m

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Tina left home at 11.25 a.m. and drove towards the city. 2 hours later, her father left their home and drove towards the same city at 91 km/h. When the father reached the city at 5.25 p.m., Tina had another 4 km to travel. What was Tina’s average speed? Express your answer in mixed number.