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22 June, 15:59

A wireless store owner takes presale orders for a new smartphone and tablet. He gets 320 preorders for the smartphone and 310 orders for the tablet. The combined sale of the preorders is $ 322,000. If the price of a smartphone and a tablet together is $ 1,020 , find the cost of one smartphone and the cost of one tablet.

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  1. 22 June, 16:08
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    y = $440

    x = $ 580

    Explanation:

    Given dа ta:

    order for smartphone is 320

    order doe tablet is 310

    sale of all order is $322,000

    total combined price for smartphone and tablet is $1020

    let cost of one smartphone is x

    let cost of one tablet is y

    320 x + 310 y = 322,000 ... 1

    x + y = 1020 ... 2

    solving 1 and 2 we get

    y = $440

    x = $ 580
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