katiebug1901 katiebug1901

17-01-2017
Mathematics

contestada

A metalworker has a metal alloy that is 20% copper and another alloy that is 60% copper. How many kilograms of each alloy should the metalworker combine to create 90 kg of a 52% copper alloy?

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Justreborns Justreborns

17-01-2017

132% that what your answer going to be

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