With the current, a person can canoe 24 miles in 4 hours. Against the same current, the same person can canoe 18 miles in 6 hours. Find the person’s average rate in still water and the average rate of the current.

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  1. speed of canoe in still water --- x mph
    speed of current --- y mph

    4(x+y) = 24 ---> x + y = 6
    6(x-y) = 18 ---> x - y = 3
    add them:
    2x = 9
    x = 4.5
    then y = 1.5

    state conclusion

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