Question 1053398
20 miles at 60 mph=1/3 hours
60 miles at 30 mph=2 hours
Total time: 2-1/3 hours
80 miles at 40 mph=2 hours
It would have taken 1/3 hour less time to go the whole trip at 40 mph. &#9786;&#9786;&#9786;&#9786;