Hurry the johnson family is taking a car trip. they are driving at an average speed of 60 miles per hour. the graph shows their distance traveled over time. what does the point (5, 300) represent in this situation? a) the johnson family will travel 300 miles in 5 hours. b) the johnson family will finish their trip in 5 hours. c) the johnson family drives 5 miles per hour for 300 miles. d) the johnson family vacation destination is 300 miles away.