Mathematics, 13.07.2019 03:20 rigobertoherreea

a metal worker has several 1-kilogram bars of a metal alloy that contain 23% copper and several 1-kilogram bars that contain 79% copper. how many bars of each type of alloy should be melted and combined to create 48 kilograms of a 44% copper alloy?

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a metal worker has several 1-kilogram bars of a metal alloy that contain 23% copper and several 1-ki...