SOLUTION: A boat travelled 80 km up a river at a speed of x km/hr, what was the time taken for the journey up the river?

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Question 403839: A boat travelled 80 km up a river at a speed of x km/hr, what was the time taken for the journey up the river?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
d = r*t
80 = x*t
t = 80/x hours