SOLUTION: How many lbs of a 20% copper alloy must be mixed with 600lbs of a 30% copper alloy to make a 27.5% copper alloy?
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Question 96456This question is from textbook Algebra Beginning and Intermediate
: How many lbs of a 20% copper alloy must be mixed with 600lbs of a 30% copper alloy to make a 27.5% copper alloy?
This question is from textbook Algebra Beginning and Intermediate
Answer by rossiv53(27) (Show Source): You can put this solution on YOUR website!
Let x = the amount of 20% copper alloy
20%x+30%(600)=27.5%(x+600)
x=200 lbs
Good Luck!
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