Question

a car travel at the speed of 40 km/h for the first third of its journey,35 km/hr for second third journey and 42 km/h for final third of its journey what is its average speed​

Answer 1

Answer:

hi

Step-by-step explanation:

First third speed=40 km/h

Second third speed=35 km/h

Final third speed=42 km/h

Average={(40+35+42)÷3}

=117÷3

=39 km/h

hope it will help you

Answer 2

average speed=total distance/total time taken
=(40+35+42)/3
=102/3
=34km/hr