algebra1

Sam rows up a river to camp in
three hours.The next day he makes the return
trip downstream in one hour. If he can row two
mph in still water, how fast is the current?


i don't understand this?

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asked by naomi
  1. distance = speed * time
    since the distances are the same,

    (2+c)(1) = (2-c)(3)
    c = 1

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    posted by Steve
  2. thank you

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    posted by naomi

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