Question

A car moves 300 km at a speed of 45 kmph and then it increases its speed to 60 kmph to travel another 500 km. Find average speed of a car?

Answer 1

here is your answer!!

Answer 2

Hey there!

___________________________

At first ;

Speed of car = 45 km/h.

Distance travelled = 300 km.

Time taken = Distance / speed.

Time taken = 300/45

Time taken = 20 / 3 h

Second time ;

Speed of car = 60 km/h.

Distance travelled = 500 km.

Time taken = Distance / speed

Time taken = 500 / 60

Time taken = 25 / 3 h

Now,

Total distance = (300 + 500 km)

Total distance = 800 km.

And,

Total time = 20/3 + 25/3

Total time = 20 + 25 /3

Total time = 45/3

Total time = 15 h.

Average speed = Total distance / total time

Average speed = 800 / 15

Average speed = 53.34 km / h.

___________________________

Thanks for the question!

☺️☺️☺️