The time, speed and distance are related as,
[tex]t=\frac{d}{s}[/tex]where d is the distance , s is the speed, and t is the time
Substituting the known values,
[tex]\begin{gathered} t=\frac{2340}{65} \\ t=36\text{ } \end{gathered}[/tex]Thus, the time taken by the truck is 36 s.