Question

What is the average speed of a car that travels 440 km in 15.4 hours?

Answer 1

A car travels 440km in 15.4 hours -> In 1 hour, the car travel 1/(15.4) the distance.

So in an hour, the car travel : 440 x 1/(15.4) = 28.5714285714... (round to 29)

So, the average speed of the car is approximately 29 km/h