Mathematics, 18.03.2021 01:10 angie07253

a metalworker has a metal alloy that is 20% cooper and another alloy that is 70% copper. how many kilograms of each alloy should the metalworker combine to make 100Kg of a 60% copper alloy

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a metalworker has a metal alloy that is 20% cooper and another alloy that is 70% copper. how many ki...

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