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
| Certified Educator
calendarEducator since 2015
write1,012 answers
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Hello!
The formula for an average speed is a distance travelled divided by a time spent,
`V=d/t.`
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:
`t=d/V.`
In numbers it is `(350km)/(80 (km)/h)=` 4.375 hours, or 4 hours and 22.5 minutes.
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