SOLUTION: How much of an alloy that is 20% copper should be mixed with 600 ounces of an alloy that is 70% copper in order to get an alloy that is 30% copper?

SOLUTION: How much of an alloy that is 20% copper should be mixed with 600 ounces of an alloy that is 70% copper in order to get an alloy that is 30% copper?

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Question 345999: How much of an alloy that is 20% copper should be mixed with 600 ounces of an alloy that is 70% copper in order to get an alloy that is 30% copper?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Let be the amount of 20% copper.

ounces
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