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7 July, 09:11

You sell bracelets for 2$ each and necklaces for 3$ each at a local flea market. you collected 95$, selling a total of 37 jewelry items. how many of each type of jewelry did you sell?

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  1. 7 July, 09:14
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    Use simultaneous equations.

    let the number of bracelets be y and necklaces be z.

    so

    2y + 3z = 95. this is formula 1

    y + z = 37. this is formula 2

    so from formula 2, we can change that to

    y = 37 - z. this is formula 3

    sub 3 into 1,

    2 (37-z) + 3z = 95

    74 - 2z + 3z = 95

    z = 21

    sub z = 21 into 3,

    y = 37 - 21

    y = 16

    therefore you sold 16 bracelets and 21 necklaces
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