Mathematics, 11.12.2020 03:00, hardwick744

"A metalworker has a metal alloy that is 25% copper and another alloy that is 60% copper. How many kilograms of each alloy should the metalworker combine to create 50 kg of a 53% copper alloy?"

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"A metalworker has a metal alloy that is 25% copper and another alloy that is 60% copper. How many k...