Answer:
Jenna will complete remaining distance in 6 hours.
Step-by-step explanation:
Since we know that [tex]\text{Speed}=\frac{\text{Distance}}{\text{Time}}[/tex]. Let us find the rate at which Jenna traveled 100 miles.
[tex]\text{Speed}=\frac{100\text{ miles}}{2\text{ hours}}[/tex]
[tex]\text{Speed}=50\frac{\text{ miles}}{\text{ hours}}[/tex]
Remaining distance is 400-100=300.
Now let us find the time Jenna will take to travel 300 miles.
[tex]\text{Time}=\frac{300}{50}[/tex]
[tex]\text{Time}=6[/tex]
Therefore, Jenna took 6 hours to complete remaining distance.