SOLUTION: a metalworker has meal alloy that is 15% copper and another alloy that is 60% copper. how many kilograms of each alloy should the metalworker combine to create 100 kg of a 42% copp

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Question 1014438: a metalworker has meal alloy that is 15% copper and another alloy that is 60% copper. how many kilograms of each alloy should the metalworker combine to create 100 kg of a 42% copper. the metalworker should use ? kilograms of the metal alloy that is 15% copper and ? kilograms of the 60% copper
Answer by josgarithmetic(39618)   (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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