SOLUTION: A copper alloy that is 40% copper is to be combined with a copper alloy that is 80% copper to produce 120 kilograms of an alloy that is 70% copper. How many kilograms of each alloy
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Question 1014458: A copper alloy that is 40% copper is to be combined with a copper alloy that is 80% copper to produce 120 kilograms of an alloy that is 70% copper. How many kilograms of each alloy must be used?
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
You can solve using two variables or you can solve using only one variable.
lesson for two-part mixture, how much of both parts
If you want to use just one variable for two-part mixture
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