Question
Uncle Oliver travelled from City A to City B which was 570 km away. For the first 330 km of the journey, he travelled at a speed of 110 km/h. He then reduced his speed by 30 km/h and completed the rest of the journey. What was his average speed for the whole journey?
4 m

Click button first when a symbol is required. X

Uncle Oliver travelled from City A to City B which was 570 km away. For the first 330 km of the journey, he travelled at a speed of 110 km/h. He then reduced his speed by 30 km/h and completed the rest of the journey. What was his average speed for the whole journey?