Total distance travelled=6 hrs 15 minutes
- Convert minutes in hour
- 15 minutes= [tex] \frac{1}{4} hrs[/tex]
- Total time= [tex] 6+\frac{1}{4} = \frac{25}{4} hrs[/tex]
Total distance=380 miles
[tex] Speed_{avg}=\frac{Total distance} {Total time} \\\\ \to \frac{380 miles}{\frac{25}{4}hrs} \\\\ \to \frac{380 \times 4} {25} \\\\ \to \frac{1520}{25} \\\\ \to 60.8 mph [/tex]
Answer: 60.8mph
