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Algebra

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solve linear equation-an alloy of metal is 25% copper. Another alloy is 50% copper. how much of each alloy should be used to make 1000 grams of an alloy that is 45% copper

  • Algebra - ,

    if x g is the 25% copper alloy used, then 1000-x g must be the 50% alloy

    does the equation

    25/100(x) + 50/100(1000-x) = 45/100(1000)
    make any sense to you?

  • Algebra - ,

    ho

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