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14 January, 23:52

How many ounces of a silver alloy that cost $4 an ounce must be mixed with 10oz of an alloy that costs $6 an ounce to make a mixture that costs $4.32 an ounce

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  1. 15 January, 00:16
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    x = 52.5

    Step-by-step explanation:

    4x + 6 (10) = 4.32 (x + 10)

    4x + 60 = 4.32x + 43.20

    0.32x = 16.8

    x = 52.5
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