Question
Grace started travelling at 10 a.m. at a speed of 90 km/h towards a town. Liam started travelling towards the town from the same place 2 hours later. When Grace reached the town at 4 p.m., Liam had another 180 km to travel. What was Liam's average speed?
3 m

Click button first when a symbol is required. X

Grace started travelling at 10 a.m. at a speed of 90 km/h towards a town. Liam started travelling towards the town from the same place 2 hours later. When Grace reached the town at 4 p.m., Liam had another 180 km to travel. What was Liam's average speed?