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Mathematics, 30.01.2020 07:51 kcarstensen59070

Ametalworker has a metal alloy that is 25% copper and another alloy that is 70% copper. how many kilograms of each alloy should the metalworker combine to create 50 kg of a 61% copper alloy? the metalworker should use nothing kilograms of the metal alloy that is 25% copper and nothing kilograms of the metal alloy that is 70% copper

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Ametalworker has a metal alloy that is 25% copper and another alloy that is 70% copper. how many kil...
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