We are given $\mathrm{v}(80 \mathrm{kph})$ and $\mathrm{s}(240 \mathrm{~km})$, and we have to calculate $\mathrm{t}$.
Since the speed is given in kilometers per hour, the traveling time must be calculated in hours. Substituting the given information into the formula $\mathrm{t}=\frac{\mathrm{s}}{\mathrm{v}}$, we get $\mathrm{t}=\frac{240}{80}=3$. Thus, the journey took 3 hours.