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OpenStudy (gabby1214):
A metalworker has a metal alloy that is 15% copper and another alloy that is 60% copper , how many kilograms of each alloy should the metalworker combine to create 120 kg of a 51% copper alloy? The metalworker should use [?] kilograms of the metal alloy that is 15% copper and [?] kilograms of the metal alloy that is 60% copper
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OpenStudy (gabby1214):
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