Blah420 Blah420
  • 30-11-2017
  • Mathematics
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A metalworker has a metal alloy that is 20​% copper and another alloy that is 75​% copper. How many kilograms of each alloy should the metalworker combine to create 120 kg of a 53​% copper​ alloy?

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abbey161 abbey161
  • 30-11-2017
I don't know is it b8????
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