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8 August, 18:07

One week a computer store sold total of 36 computers and external drives. The revenue from these sales were $23490. If computers sold for $1180 per unit and hard drives were $125 per unit, how many of each did the store sell? How many computers were sold?

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  1. 8 August, 20:27
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    X = 18

    Y = 18

    Step-by-step explanation:

    first make two equation like

    x + y = 36

    1180x + 125y = 23490

    from equation one we have

    y = 36 - x

    put in second equation

    1180x + 125 (36-x) = 23490

    1180x + 4500-125x = 23490

    1055x = 23490-4500

    x = 18990/1055

    x = 18

    put this x value in equation 1 to find y value

    18 + y = 36

    y = 36-18

    y = 18
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