Question
Simon drove at an average speed of 104 km/h for 3 hours. He then reduced his average speed by 20 km/h and continued for another 3 hours before he reached his destination. Find his average speed for the whole journey.
3 m

Click button first when a symbol is required. X

Simon drove at an average speed of 104 km/h for 3 hours. He then reduced his average speed by 20 km/h and continued for another 3 hours before he reached his destination. Find his average speed for the whole journey.