Joe Tourist and his family leave for Dallas , a distance of 177 miles. They arrive in Dallas 12 hours later because they stopped

Question

2 years ago

9

at every historical marker, Roadside Park and Tourist Attraction between Texarkana and Dallas. What was their average speed for the entire trip

1 answer:

german · Answer 1 · 2022-03-17T13:19:55+03:00

14.75mph

Explanation:

Given parameters:

Distance traveled = 177miles

Time of arrival in Dallas = 12hours

Unknown:

Average speed = ?

Solution:

The average speed is the total distance covered divided by time taken for the entire travel.

It is the rate of change of distance with time.

Average speed = $\frac{Total distance}{time taken}$

since total distance traveled = 177miles, time of arrival = 12hrs

Average speed = $\frac{177}{12}$ = 14.75mph

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