[" 7.A car mores with a speed of "30km/h" for half an hour,"25km/h" for one "],[" hour and "40km/h" for two hours.Calculate the arerage speed of the car."]

A car travels 20 km in 1 hour and another 40 km in 3 hour. What is the average speed of the car?

A car travels at a speed of 80 km/h during the first half of its running time and at 40 km/h during the other half. Find the average speed of the car. (60 km/h) ( AS_(7))

A car travels at a speed of 80 km/h during the first half of its running time and at 40 km/h during the other half. Find the average speed of the car. (60 km/h) ( AS_(7))

A car travels at a speed of 80 km/h during the first half of its running time and at 40 km/h during the other half. Find the average speed of the car. (60 km/h) ( AS_(7))

A car travels at a speed of 80 km/h during the first half of its running time and at 40 km/h during the other half. Find the average speed of the car. (60 km/h)

A car travels a certain distance with a speed of 50 km//h and returns with a speed of 40 km//h . Calculate the average speed for the whole journey.

A car travels a certain distance with a speed of 50 km//h and returns with a speed of 40 km//h . Calculate the average speed for the whole journey.

A train has a speed of 60 km//h for the first one hour and 40 k/h for the next half hour. Its average speed in km//h is

A car travels 40 km in the first hour, 45 km in the second hour, and 35 km in the third hour. Calculate the average speed of the vehicle in km/h and m/s.

A car travels a certain distance with a speed of 50 km/h and returns with a speed of 40 km/h. Calculate the average speed for the whole journey.