Question

A car travel the first 50km of its journey at an average of 25m/s and the next 120 km at an average speed of 80km/h. The car completes the last party of its journey at an average speed of 90km/h in 35 minutes. Find the average speed for its entire journey,giving your answer in km/h.

Topic:Speed

Answer 1

Answer:

i understand

it's time 10 m

Answer 2

Answer:

50 speed because 90 km in 35 minute measure it answer is come