SOLUTION: It takes a passenger train 5 hr less time than it takes a freight train to make the trip from Paradise to Rockville. The passenger train averages 63 ​km/h, while the freight

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Question 1099111: It takes a passenger train 5 hr less time than it takes a freight train to make the trip from Paradise to Rockville. The passenger train averages 63 ​km/h, while the freight train averages 42 ​km/h. Find the distance from Paradise to
Rockville.
How far is it from Paradise to Rockville?

Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
So let the time it takes the passenger train be t.
Then the freight train time is t%2B5.
D%5Bp%5D=63t
D%5Bf%5D=42%28t%2B5%29
But,
D%5Bp%5D=D%5Bf%5D
63t=42t%2B210
21t=210
t=10hr
So then,
D=63%2810%29
D=630km