SOLUTION: A train that travels 100 kilometers in 4 hours is traveling at what average speed?

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Question 314120: A train that travels 100 kilometers in 4 hours is traveling at what average speed?
Answer by rapaljer(4671) About Me  (Show Source):
You can put this solution on YOUR website!
Use the famous formula d=r%2At. In this case, you have d= 100 km, and t= 4 hours. So plug in what you know, and solve for the unknown, which in this case is rate, r.
d=rt
100=r*4
4r=100

Divide both sides by 4:
r=25

Dr. Robert J. Rapalje, Retired
Seminole State College of Florida
Altamonte Springs Campus