SOLUTION: A boat leaves Pt A and travels up-river for 3 hours to Pt B. On the return trip, it only takes 2 hours. If the boat travels at the same constant speed relative to the current, ho
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Question 755356: A boat leaves Pt A and travels up-river for 3 hours to Pt B. On the return trip, it only takes 2 hours. If the boat travels at the same constant speed relative to the current, how far away is it between the two points?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = the speed of the current
Let = the speed of the boat in still water
Let = the distance between A and B
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Boat going upriver:
Boat going downriver:
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By substitution:
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Using substitution again:
and, also
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12 times the speed of the current is my answer
I would get a 2nd opinion on this, though
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