Question

A car covers first 100km of his journey at 50km/h , next 50km at 40km/h and last 75lm in 5/4h. find the average speed of the whole journey​

Answer 1

Answer:

50km/h

Step-by-step explanation:

average speed = total distance/total time

total distance= 100 + 50 +75=225km

total time= 2h+ 5/4h +5/4h = 9/2h

average speed= 225/9/2=450/9=50km/h

Answer 2

Answer:

hope this answer was helpful for uh