Mathematics, 20.05.2020 02:57, jamiehills399

A metalworker has a metal alloy that is 20% copper and another alloy that is 55% copper. How many kilograms of each alloy should the metalworker combine to create
80 kg of a 41% copper alloy?

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A metalworker has a metal alloy that is 20% copper and another alloy that is 55% copper. How many ki...