SOLUTION: A boat travels uptream. It takes him 1.2 hrs to reach his destination. The return trip to starting point takes .9 hours. He is traveling 5mph faster going downstream. How fast
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Question 360064: A boat travels uptream. It takes him 1.2 hrs to reach his destination. The return trip to starting point takes .9 hours. He is traveling 5mph faster going downstream. How fast does the boat travel going upstream?
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
let upstream speed be x
downstream speed = x+5
..
upstream time = 1.2 hours
downstream time = 0.9 hours
..
1.2x=0.9(x+5)
1.2x=0.9x+4.5
0.3x=4.5
x=4.5/0.3
x=15 mph upstream speed
...
m.ananth@hotmail.ca
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