Solve for Average Speed: Jogging and Driving Distance Calculation

[jwang023]

Homework Statement

You jog at 9.5 km/hr for 8.0 km. You jump into a car and drive 16 km. What speed of the car do you need to cover a total distance of 24 km with an average speed of 22 km/hr

Homework Equations

The Attempt at a Solution

 

[rl.bhat]

Average speed = Total distance/Total time.
In the problem total distance and average speed. Find the total time.
Find the jogging time. From that find the driving time.
Driving distance is given. You can find the driving time. From that find the velocity of the car.