SOLUTION: A metallurgist needs to make 12.4 lb. of an allot 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 e

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Question 874101: A metallurgist needs to make 12.4 lb. of an allot 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?
Answer by josgarithmetic(39620)   (Show Source): You can put this solution on YOUR website!
Using equations, you could form the system:
and .

You should expect .

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