Mathematics, 07.01.2021 06:20 augestfaith

A metalworker has a metal alloy that is 30% copper and another alloy that is 70% copper. How many kilograms of each alloy should the metalworker combine to create 100 kg of a 54% copper alloy?

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A metalworker has a metal alloy that is 30% copper and another alloy that is 70% copper. How many ki...

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