SOLUTION: Forty ounces of a 30% gold alloy are mixed with 60 ounces of a 20% gold alloy. Find the percent concentration of the resulting gold alloy.

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Question 359223: Forty ounces of a 30% gold alloy are mixed with 60 ounces of a 20% gold alloy. Find the percent concentration of the resulting gold alloy.
Answer by nyc_function(2741) About Me  (Show Source):
You can put this solution on YOUR website!
40(.30) + 60(.20) =

Can you finish?