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algebra

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A 30ft. cable is cut into 2 pieces. One piece is twice as long as the other piece. Find th length of each piece of the cable.

  • algebra -

    Let x = the length of the shorter cable.

    x + 2x = 30
    3x = 30
    x = ?

  • algebra -

    X=10; the shorter cable length is 10 ft. Take the 3 and divide it by 3(which is the total length.)

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