SOLUTION: A train spent 3 hour at 20km an hour. another train traveled at 10 km per hour on same journey. What is the time spent of the second train?
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Question 937480: A train spent 3 hour at 20km an hour. another train traveled at 10 km per hour on same journey. What is the time spent of the second train?
Answer by TimothyLamb(4379) (Show Source): You can put this solution on YOUR website!
first train:
s = d/t
d = st
d = 20*3
d = 60 km
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second train:
t = d/s
t = 60/10
t = 6 hours
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