Mathematics, 18.12.2020 20:20, alliuhhh0
A metalworker has a metal alloy that is 15% copper and another alloy that is 70% copper. How many kilograms of each alloy should the metalworker combine to create 90 kg of a 48% copper alloy?
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A metalworker has a metal alloy that is 15% copper and another alloy that is 70% copper. How many ki...
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