Mathematics, 06.07.2019 17:30 limelight11

Ametallurgist needs to make 12.4 lb. of an 10) alloy containing 50% gold. he is going to melt and combine one metal that is 60% gold with another metal that is 40% gold. how much of each should he use?

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Ametallurgist needs to make 12.4 lb. of an 10) alloy containing 50% gold. he is going to melt and co...