Question

A train travels at station A at a speed of 25km/h and covers a distance of 150km. It then travels at a speed of 16km/h for 45 minutes. Find the average speed of the train for the entire journey

Answer 1

Answer:

120 km\h

Step-by-step explanation:

first we must find the time in the first half..

given that

s= 25

d=150

t= d\s= 150\25= 6 hours

second half, we must find distance

given that

s=16

t=16

d= t*s= 45*16= 720

the average speed will be d\t

d=720

t=6

s= d\s = 720\6= 120 km\h