Question

Всадник ехал 3 часа со скоростью 50 км/ч,на следующие 150 км потратил 4,5 ч.Какова средняя скорость всадника на всем пути?

Answer 1

3*50=150 км,  150км+150км=300км( общий путь), 3ч+4.5ч=7.5ч(общее время), 300:7.5=40 км в ч

Answer 2

Calculation of Average Speed

To calculate the average speed of the rider for the entire journey, we need to find the total distance traveled and the total time taken.

The rider traveled for 3 hours at a speed of 50 km/h, covering a distance of 3 * 50 = 150 km.

Then, the rider spent an additional 4.5 hours to cover the next 150 km.

Therefore, the total distance traveled is 150 km + 150 km = 300 km, and the total time taken is 3 hours + 4.5 hours = 7.5 hours.

To find the average speed, we divide the total distance by the total time:

Average Speed = Total Distance / Total Time

Average Speed = 300 km / 7.5 hours

Average Speed = 40 km/h

Therefore, the average speed of the rider for the entire journey is 40 km/h.