Question
Opal left home at 11.35 a.m. and drove towards the city. 2 hours later, her mother left their home and drove towards the same city at 79 km/h. When the mother reached the city at 6.35 p.m., Opal had another 3 km to travel. What was Opal’s average speed? Express your answer in mixed number.
3 m

Click button first when a symbol is required. X

Opal left home at 11.35 a.m. and drove towards the city. 2 hours later, her mother left their home and drove towards the same city at 79 km/h. When the mother reached the city at 6.35 p.m., Opal had another 3 km to travel. What was Opal’s average speed? Express your answer in mixed number.