Question

a lady travel at a speed of 20 kilometre per hour and returned at quicker speed .if the average speed of whole journey is 24 kilometre per hour .find the speed of Return journey​

Answer 1

Answer:

28

Step-by-step explanation:

let the number be x

ATQ

(20+x)÷2=24

20+x=24×2=48

x=48-20=28.