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10 September, 05:10

como calcular la cantidad de horas por proyecto si un contratista tiene 5,000 horas-hombres y el costo es de $10 y $12 por proyecto para un total de $55.000 horas-homres

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  1. 10 September, 09:09
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    Each project has 2.500 man-hours

    Step-by-step explanation:

    Available man hours: 5000

    For two projects Costs $

    X: project A 10

    Y: project B 12

    Approach:

    X + Y = 5000 = > X = 5000 - Y

    10 * X + 12 * Y = 55000

    replacing:

    10 * (5000 - Y) + 12 * Y = 55000

    50000 - 10 * Y + 12 * Y = 55000

    2 * Y = 55000 - 50000

    Y = 5000/2

    Y = 2500

    For X:

    X = 5000 - 2500

    X = 2500

    The number of hours available for each project are:

    Projects Man hours

    X: project A 2500

    Y: project B 2500
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