SOLUTION: How much of an alloy that is 10% copper should be mixed with an alloy that is 60% copper in order to get an alloy that is 20% copper?

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Question 471726: How much of an alloy that is 10% copper should be mixed with an alloy that is 60% copper in order to get an alloy that is 20% copper?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
How much of an alloy that is 10% copper should be mixed with an alloy that is 60% copper in order to get an alloy that is 20% copper?
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How much 20% alloy do you want?
Cheers,
Stan H.