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Mathematics, 28.02.2021 21:30 renelopez79318

A metalworker has a metal alloy that is 25% copper and another alloy that is 70% copper. How many kilograms of each alloy should the metalworker combine to create 100 kg of a 61% copper alloy?

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A metalworker has a metal alloy that is 25% copper and another alloy that is 70% copper. How many...

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