SOLUTION: How much of an alloy that is 30% copper should be mixed with 600 ounces of an alloy that is 60% copper in order to get an alloy that is 40% copper?
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Question 774957: How much of an alloy that is 30% copper should be mixed with 600 ounces of an alloy that is 60% copper in order to get an alloy that is 40% copper?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = ounces of 30% alloy needed
= ounces of copper in 30% alloy
ounces of copper in 60% alloy
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1200 ounces of 30% alloy are needed
check:
OK
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