A car averages 55 mph for the first 4 hours of a trip and averages 70 mph for ea May 24, 2022 by admin ✪ Choose the correct option.A car averages 55 mph for the first 4 hours of a trip and averages 70 mph for each additional hour. The average speed for the entire trip was 60 mph. How many hours long is the trip?A. 6 hrs.B. 14 hrs.C. 11 hrs.D. 12 hrs. Submit Answer
