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Mathematics, 06.09.2020 14:01 mikaydat
A metallurgist needs to make 12 oz. Of an alloy containing 45% copper. He is going to melt and combine one metal that is 30% copper with another metal that is 50% copper. How much of each should he use?
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A metallurgist needs to make 12 oz. Of an alloy containing 45% copper. He is going to melt and combi...
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