Respuesta :

Menem

Answer:

6.34 hours

Step-by-step explanation:

[tex]speed = \frac{distance}{time} \\ = \frac{280}{2.5} \\ = 112 \: miles \: per \: hour \\ time = \frac{distance}{speed} \\ = \frac{710}{112} \\ = 6.34 \: hours[/tex]