Respuesta :
Given that Janelle travels at 65 mph. the number of more hours it will
take her to reach her destination is approximately 5 hours.
How can the time to reach her destination be calculated?
Possible part of the question that appear missing are;
The distance Janelle drove in 4 hours = 260 miles
The distance from which she started = 575 miles
Required:
The number of extra hours it will take her to reach her destination
Solution:
The remaining distance = 575 miles - 260 miles = 315 miles
[tex]Speed = \mathbf{ \dfrac{Distance}{Time}}[/tex]
[tex]Janelle's \ average \ speed = \dfrac{260 \, miles }{4 \, hours} = \mathbf{ 65 \, mph}[/tex]
[tex]Time = \dfrac{Distance}{Speed}[/tex]
Which gives;
[tex]Time \ to \ reach \ her \ destination = \dfrac{315 \, miles}{65 \, mph} = 4\frac{11}{13} \, hours \approx \mathbf{ 5 \, hours}[/tex]
The time it takes Janelle to reach her destination ≈ 5 hours
Learn more about average speed during motion here:
https://brainly.com/question/11241290
