Question
A van travelled 12 of its journey at an average speed of 168 km/h. Find its average speed for the remaining 336 km if its average speed for the whole journey was 84 km/h.
2 m

Click button first when a symbol is required. X

A van travelled 12 of its journey at an average speed of 168 km/h. Find its average speed for the remaining 336 km if its average speed for the whole journey was 84 km/h.