Question

One third of a certain journey is covered at the rate of 25 km/hour, one fourth at the rate of 30 km/hour and the rest at 50 km/hour. the average speed for the whole journey is

a.35 km/hour

b.km/ hour 3 331

c.30 km/hour

d.km/ hour 12 37

Answer 1

The average speed of the vehicle is 35km/h.