If a car is going 50 miles per hour at 2 pm and 60 miles per hour at 3 pm then it
Chapter 2, Problem 34(choose chapter or problem)
If a car is going 50 miles per hour at 2 pm and 60 miles per hour at 3 pm then it travels between 50 and 60 miles during the hour between 2 pm and 3 pm.
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer