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...

## See

This Answer NowStart your **48-hour free trial** to unlock this answer and thousands more. Enjoy eNotes ad-free and cancel anytime.

Already a member? Log in here.

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**.