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Mathematics, 10.02.2022 15:20 lizbethmillanvazquez

#3. A metalworker has a metal alloy that is 15% copper and another alloy that is 75% copper. How many kilograms of each alloy should the metalworker combine to create 80kg of a 51% copper alloy? The metalworker should use_ kilograms of the metal alloy that is 15% copper and_ kilograms of the metal alloy that is 75% copper.
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#3. A metalworker has a metal alloy that is 15% copper and another alloy that is 75% copper. How man...

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