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algebra1

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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?

  • algebra1 -

    distance = speed * time
    since the distances are the same,

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

  • algebra1 -

    thank you

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