Answer:
192 miles
Step-by-step explanation:
[tex]\large\boxed{\sf Distance=Speed \times Time}[/tex]
Given:
Substitute the given values into the formula to find the distance in miles:
[tex]\begin{aligned}\implies \sf Distance & = \sf Speed \times Time\\& = \sf 64 \times 3\\& = \sf 192 \; miles\end{aligned}[/tex]
Therefore, the distance was 192 miles.