Respuesta :
Collins average speed was 2.5 mph because 15 / 6 = 2.5
I hope this helped :)
I hope this helped :)
Average speed is calculated to understand the actual report of distance concerning time. The average speed of the Collin's work out is 2.5 miles per hour.
Colin walked a distance of 15 miles in six hours.
Thus,
Distance is 15 miles.
Time taken to covered the distance= 6 hours.
The problem is asked about to evaluate the average speed and that is in miles per hour.
Therefore,
The expression for finding the average speed is formulated below:
[tex]\rm{Average \;Speed}=\dfrac{Total \;Distance}{Time\;taken}[/tex]
Thus,
[tex]\begin{aligned} \rm{Average \;Speed}&=\dfrac{15}{6} \;\rm{miles\;per\;hour}\\&=2.5\;\rm{miles\;per\;hour} \end{aligned}[/tex]
To know more about average speed, please refer to the link:
https://brainly.com/question/9834403