SOLUTION: a passenger train leaves chicago at the same time a freight train leaves new york. the trains are headed towards each other on parallel tracks. they meet in 4 hours. the two cities
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Question 723432: a passenger train leaves chicago at the same time a freight train leaves new york. the trains are headed towards each other on parallel tracks. they meet in 4 hours. the two cities are 560 miles apart. if the freight train is traveling 20 mph slower than the passenger train, find the speed of each train.
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
Passenger train speed be x
freight train speed = x-20
combined speed = 2x-20
distance = 560 miles
Time = 4 hours
D= speed * time
560=(2x-20)*4
560=8x-80
8x=640
/8
x=80
passenger train 80 mph
freight train 60 mph
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