You drive on Interstate 10 from San Antonio to Houston, half the time at 57 km/h and the other half at 82 km/h. On the way back you travel half the distance at 57 km/h and the other half at 82 km/h.
(a) Find your average speed from San Antonio to Houston?
km/h
(b)Find your average speed from Houston back to San Antonio?
km/h
(c) Find your average speed for the entire trip?
km/h
(d) Find your average velocity for the entire trip?
km/h