SOLUTION: What is your average velocity if you drive a distance of 297.5 km at a speed of 50 km/h, then the same distance at a speed of 69 km/h? Answer in units of km/h.

Algebra ->  Equations -> SOLUTION: What is your average velocity if you drive a distance of 297.5 km at a speed of 50 km/h, then the same distance at a speed of 69 km/h? Answer in units of km/h.      Log On


   

Question 1145034: What is your average velocity if you drive a
distance of 297.5 km at a speed of 50 km/h,
then the same distance at a speed of 69 km/h?
Answer in units of km/h.
Answer by ikleyn(52781) About Me  (Show Source):
You can put this solution on YOUR website!
.

Average speed is the total distance divided by the total time


Total time = 297.5%2F50 + 297.5%2F69  hours.


Average speed = %28297.5+%2B+297.5%29%2F%28297.5%2F50+%2B+297.5%2F69%29 = %282%2A50%2A69%29%2F%2850%2B69%29 = 57.983 kilometer per hour.