Respuesta :
mi/h and mph. same thing I believe. I'm from Canada so I don't know what unit works but the ppl were going an average of 5.25miles per hour

Answer: Average speed would be [tex]5\dfrac{1}{4}\ mph[/tex]
Step-by-step explanation:
Since we have given that
Distance traveled by team infinite = [tex]15\dfrac{3}{4}=\dfrac{63}{4}\ miles[/tex]
Time taken = 3 hours
We need to find "Speed".
As we know the relation between distance, time and speed.
[tex]Speed=\dfrac{Distance}{Time}\\\\Speed=\dfrac{63}{4\times 3}\\\\Speed=\dfrac{21}{4}\\\\Speed=5\dfrac{1}{4}\ mph[/tex]
Hence, Average speed would be [tex]5\dfrac{1}{4}\ mph[/tex]