Question
Paul drove at an average speed of 61 km/h for the first 2 hours of the journey. He then increased his average speed by 18 km/h and drove for another 2 hours until he reached his town. Find his average speed for the whole journey.
3 m

Click button first when a symbol is required. X

Paul drove at an average speed of 61 km/h for the first 2 hours of the journey. He then increased his average speed by 18 km/h and drove for another 2 hours until he reached his town. Find his average speed for the whole journey.