SOLUTION: a mtorboat travels 165km in 3 hours going upstream. It travels 237km going downstream in the same amount of time. what is the rate of the boat in still water and what is the rate o

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Question 361656: a mtorboat travels 165km in 3 hours going upstream. It travels 237km going downstream in the same amount of time. what is the rate of the boat in still water and what is the rate of the current?
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
b - c = 165/3 = 55

b + c = 237/3 = 79

adding equations (eliminating c) ___ 2b = 134 ___ b = 67

substituting ___ (67) + c = 79 ___ c = 12


fast boat and fast current...