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20 January, 22:16

Sally has x books that weigh 2 pounds each and 8 books that weigh 3 pounds each. the total weight of her books is 62 pounds. which equation below could be used to find how many 2-pound books sally has?

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  1. 20 January, 23:36
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    If Sally has x books that are 2 pounds then her x books weights a total of 2x lbs.

    8 books of 3 lbs weights 8*3=24lbs

    All them add up to 62, therefore we can conclude to the equation:

    2x+24=62

    or we can simplify to

    2x=38

    or even

    x=19
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