SOLUTION: Shianti paddled 13 miles downstream in 1 hour, grabs a lemonade, then paddles upstream makes 3 miles in 1 hour. Given that the current didn't change and she paddled the same rate b

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Question 276665: Shianti paddled 13 miles downstream in 1 hour, grabs a lemonade, then paddles upstream makes 3 miles in 1 hour. Given that the current didn't change and she paddled the same rate both ways, how fast can she paddle in still water?
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
S + c = 13

S - c = 3

adding equations ___ 2S = 16 ___ S = 8