Determine the ratio of cars that have more than 3 people.
[tex]\frac{3}{5}[/tex]Since in a month 5000 cars comes to park. Then cars with more than 3 people are,
[tex]\begin{gathered} \frac{3}{5}\cdot5000=3\cdot1000 \\ =3000 \end{gathered}[/tex]Answer: 3000