SOLUTION: Rachel hikes at a steady rate from a ranger station to a campground that is 20 mi away. After 2 h, she is 13 mi from the campground. After 4 h, she is 6 mi from the campground. A g

Question 1160996: Rachel hikes at a steady rate from a ranger station to a campground that is 20 mi away. After 2 h, she is 13 mi from the campground. After 4 h, she is 6 mi from the campground. A graph shows her distance from the campground y, in miles, after x hours. What is the slope of the graph, and what does it represent?
A. 20; Rachel's initial distance from the campground
B. −3.5; the rate at which Rachel's distance from the campground changes per hour
C. 3.5; Rachel's initial distance from the campground
D. 20; Rachel's final distance from the campground
Answer by josgarithmetic(39625) (Show Source): You can put this solution on YOUR website!
Points as time x, distance from camp y, (x,y):
(0,20), (2,13), (4,6).

She is hiking at 3.5 miles per hour.
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