SOLUTION: A train travels 220 miles and returns the same distance. The total time taken by the train is 9 1/2 hours. If the speed of the train averaged 15 miles per hour more while going bac
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Question 814603: A train travels 220 miles and returns the same distance. The total time taken by the train is 9 1/2 hours. If the speed of the train averaged 15 miles per hour more while going back, how fast did the train travel in each direction?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
G+R=9.5,
r=g+15,
G*g=220,
R*r=220
going speed g = 40, going time G = 5.5,
return speed r = 55, return time R = 4
40*5.5=220
55*4=220
ok
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