SOLUTION: At a metal melting factory, a machinist melts two barrels of metal and mixes them together. The one barrel contained metal that was 40% copper while the other barrel contained meta

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Question 1028646: At a metal melting factory, a machinist melts two barrels of metal and mixes them together. The one barrel contained metal that was 40% copper while the other barrel contained metal that was 80% copper. The result was 120 pounds of metal that was 48% copper. How many pounds of metal were in the barrel that contained the 80% copper?
Answer by josmiceli(19441)   (Show Source): You can put this solution on YOUR website!
Let =pounds of metal in the 80% copper barrel
= pounds of metal in the 40% copper barrel
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24 pounds of metal were in the barrel
that contained the 80% copper
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check:






OK

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