SOLUTION: You drive a car due north at a speed of 64 km/hr for 21 km, and then you accelerate to 96 km/hr and continue north for another 45 minutes. What is your average velocity?

Algebra ->  Customizable Word Problem Solvers  -> Travel -> SOLUTION: You drive a car due north at a speed of 64 km/hr for 21 km, and then you accelerate to 96 km/hr and continue north for another 45 minutes. What is your average velocity?       Log On

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Question 1050620: You drive a car due north at a speed of 64 km/hr for 21 km, and then you accelerate to 96 km/hr and continue north for another 45 minutes. What is your average velocity?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
D = rt
96kmph*(3/4)hr = 72km
or D/r = t
Total Distance /total time = %2872km+%2B+21km%29%2F%28.75+%2B+21%2F64%29 = average velocity
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