Question

If a car completes half of its journy with speed 40km/h and half with 20km/h then what will be its average speed​

Answer 1

Answer:

30 km/h

Step-by-step explanation:

initial speed = 40 km/h

final speed = 20 km/h

As we know

   Average speed = initial speed + final speed /2

   Average speed = 40+20/2

                              = 60/2

                              = 30 km/h

Answer 2

80/3 is your answer l know this question answer