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math

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the cost of 5 similar digital cameras and 3 similar camaras is 3213.00$. each video camera cost 4 times as much as each digital camera. john buys a digital camera and a video camera. how much does he pay

  • math - ,

    cost of digital camera --- x
    cost of video camera ---- 4x

    5x + 3(4x) = 3213
    17x = 3213
    x = 189

    take it from there

  • math - ,

    Just realized I answered the same question about a year ago

    http://www.jiskha.com/display.cgi?id=1350624298

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