Luis drives 35 miles per hour. There are 60 minutes in 1 hour.
That means he drives 35 miles per 60 minutes.
Therefore;
[tex]\begin{gathered} \text{Miles per minute=}\frac{35}{60} \\ \text{Miles per minute=}0.5833\ldots \\ \text{Miles per minute}\approx0.6 \\ \text{Therefore, Luis drove for 0.6 miles per minute} \end{gathered}[/tex]