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01:20:49
Brass is made from a mixture of copper and other elements. A mixture that is...
Mathematics, 04.05.2020 23:01 gabrielolivas59
LU
01:20:49
Brass is made from a mixture of copper and other elements. A mixture that is 80% copper is combined with a mixture that is
60% copper, resulting in 100 pounds of brass that is 65% copper.
Which equation can be used to find x, the amount of 60% mixture used to create the 65% mixture?
Answers: 3
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