Math

A takes twice as much time as b and thrice as much time as c to finish a piece of work. Working together they can finish it in 2 days. A can do the work alone in. ??

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  1. If
    A takes a days,
    B takes b days, b = a/2
    C takes c days, c = a/3

    1/a + 1/b + 1/c = 1/2
    1/a + 2/a + 3/a = 1/2
    6/a = 1/2
    a = 12

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