Mathematics, 23.06.2019 22:00 emily12403

Ametalworker has a metal alloy that is 30% copper and another alloy that is 55% copper. how many kilograms of each alloy should the metalworker combine to create 50 kg of a 45% copper alloy?

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Ametalworker has a metal alloy that is 30% copper and another alloy that is 55% copper. how many kil...

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