Math

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A string is cut in half,and one of the halves is used to bundle newspapers. Then one fifth of the remaining string is cut off. The piece left is 8 feet long. How long was the string originally? Please work this out. The anwser is 20 ft. THANKS

  • Math -

    (1/2)(4/5)x = 8
    x = 8(2)(5/4) = 20

    4/5 ?
    after taking 1/5 away you are left with 4/5

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