a car driver take a total of two hours to make a journey of 75 km. she has a cofee break of half an hour and spends a quarter of an hour stationary in a traffic jam.
at what average speed must she travel during the rest of the time if she wants to complete the journey in two hours ??

Question

a car driver take a total of two hours to make a journey of 75 km. she has a cofee break of half an hour and spends a quarter of an hour stationary in a traffic jam.
at what average  speed must she travel during the rest of the time if she wants to complete the journey in two hours ??

haseeb96 · Answer

formula of average velocity is given below: 
velocity of av =   displacement / time
the average velocity is 37.5 km/h