How long will your trip take (in hours) if you travel 350 km at an average speed of 80 km\hr? What is the formula with givens: Time, Distance, Speed or Velocity?

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Borys Shumyatskiy eNotes educator | Certified Educator

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The formula for an average speed is a distance travelled divided by a time spent,



In our problem the average speed `V` and the distance `d` are given, and we are looking for the time `t.` It is simple to find it:


In numbers it is  `(350km)/(80 (km)/h)=` 4.375 hours, or 4 hours and 22.5 minutes.

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