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Mathematics, 18.02.2021 06:30 phancharamachasm

George and Paul use a metal alloy that is 18.1% copper to make jewelry. How many ounces of an alloy that is 14% copper must be mixed with an alloy that is 23% copper to form 90 ounces of the desired alloy?

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George and Paul use a metal alloy that is 18.1% copper to make jewelry. How many ounces of an alloy...
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