Her fastest speed was 4 miles per hour.
Given that,
Elena goes for a long walk.
This graph shows her time and distance traveled throughout the walk.
We have to find,
What was her fastest speed, in miles per hour?
According to the question,
The graph shows the time and distance traveled throughout the walk.
The distance traveled in every hour is given as follows.
- In the given graph at the first point, the distance traveled in 1 hour is 3 miles.
- At the second point, the distance traveled in 1.5 hours is 0 miles.
- At the third point, the distance traveled in 2 hours is 5 miles.
- At the fourth point, the distance traveled in 3 hours is 7 miles.
- At the fifth point, the distance traveled in 4 hours is 9 miles.
Therefore, Her fastest speed was 4 miles per hour.
For more details refer to the link given below.
https://brainly.com/question/24684377