lilliepatrick2 lilliepatrick2 16-10-2020 Physics contestada During a family car trip, a family travels for 1 hour at 70 miles per hour. Then the family travels for 2 more hours at 55 miles per hour. What is the family's average speed during the trip? A. 58.5 mph B. 65 mph C. 62.5 mph D. 60 mph
