jordanfvest jordanfvest

06-12-2018
Mathematics

contestada

A metalworker has a metal alloy that is 20% copper and another alloy that is 65% copper. How many kilograms of each alloy should the metalworker combine to create 120 kg of a 47% copper alloy?

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Buizel2004 Buizel2004

06-12-2018

56 kg I think hope this works

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