Mathematics
Mathematics, 19.08.2019 02:30, Miloflippin9766

Ametalworker has a metal alloy that is 15% copper and another alloy that is 75% copper. how many kilograms of each alloy should the metal worker combine to create 90 kilograms of a 51% copper alloy?

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Ametalworker has a metal alloy that is 15% copper and another alloy that is 75% copper. how many kil...

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