SOLUTION: How much of an alloy that is 30% copper should be mixed with 200 ounces of an alloy that is 90% copper in order to get an alloy that is 70% copper?
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Question 98326: How much of an alloy that is 30% copper should be mixed with 200 ounces of an alloy that is 90% copper in order to get an alloy that is 70% copper? Answer by scott8148(6628) (Show Source):
