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Mathematics, 23.07.2019 00:30 jeff6284
Ametallurgist has one alloy containing 46% copper and another containing 69% copper. how many pounds of each alloy must he use to make 43 pounds of a third alloy containing 60% copper?
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Ametallurgist has one alloy containing 46% copper and another containing 69% copper. how many pounds...
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