Question 461535
1375/55=25 hours
first 2:50=220 miles
next 1:00=40 miles
next :40=0 miles
As of now you have traveled 260 miles and spent 4:30.  You now have 20:30 to finish 1115 miles:
1115/20.5=54.4 mph
You need to average 54.4 mph for the rest of the trip to meet your goal..