Answer:
60 mph
Step-by-step explanation:
A train left New York at 10:00 am
The train arrived at Washington at 1:45pm
The distance between the two cities is 225 miles
The average rate of speed can be calculated as follows
Distance= 225 miles
Time= 3 hours 45 minutes
= 3.75hrs
= distance/time
= 225/3.75
= 60 mph
Hence the average rate of speed of the train is 60 mph
