Answer:
B. For each hour Michelle drove, she traveled an additional 50 miles.
Explanation:
The graph tells you that before Michelle started (Time = 0), she had 350 miles to go. After 1 hour, she had 300 miles to go, so had driven 50 miles. After 7 hours, she has 0 miles to go, so her trip took 7 hours.
A. false — we know her trip took 7 hours, not 6.
B. TRUE — each hour, her remaining mile decreased by 50.
C. false — in 6 hours, her remaining miles dropped from 350 to 50, so she had traveled a total of 300 miles.
D. false — after 3 hours, Michelle's remaining miles were 200. She had traveled 150 miles.