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math please help!!

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Solve the problem. Anne and Nancy use a metal alloy that is 24.9% copper to make jewelry. How many ounces of a 20% alloy must be mixed with a 27% alloy to form 100 ounces of the desired alloy?

  • math please help!! -

    .249*100=.20X+ .27(100-x)
    solve for X

  • math please help!! -

    so then would it be 6 ounces of 20% alloy?

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