Mathematics, 10.12.2020 21:20 almaga1979orfvwo
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 120 kg of a %50 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 ki...
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