SOLUTION: Trevon paddled 27 miles downstream in his boat.the speed of the water was 3 miles per hour. Mark paddled 10 miles upstream in his boat. The speed of the water current was 2 miles p
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Question 960322: Trevon paddled 27 miles downstream in his boat.the speed of the water was 3 miles per hour. Mark paddled 10 miles upstream in his boat. The speed of the water current was 2 miles per hour. The total trip took 11 hours and 20 minutes. About how much time did the first part of the trip take?
Found 2 solutions by josgarithmetic, josmiceli:
Answer by josgarithmetic(39620) (Show Source): You can put this solution on YOUR website!
The description is not coherent. Trevon, Mark, water currents 3 and 2 mph. No "total trip".
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = Trevor's paddling speed in still water
Let = Mark's paddling speed in still water
-----------------------
Trevor's equation:
(1)
Mark's equation:
(2)
(3)
--------------------------
This can't be solved unless they both
paddle at the same speed -I'll have to
assume that
-----------------------
(1)
(2)
-----------------------------
Multiply both sides by
---------------------
You can finish: solve for , then find
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