math

a rope was 9.45 meters. the length of the first piece of rope was 1/5 of the original length. the second piece of rope was 0.12 meter longer than the third piece.how long was the second piece of rope

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  1. first .2*9.45 = 1.89
    remaining length = 9.45 - 1.89 = 7.56
    so
    piece 2 + (piece 2 - .12) = 7.56

    2 * piece 2 = 7.68

    piece 2 = 3.84

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