SOLUTION: 40 oz of a 35% gold alloy are mixed with 64 oz of a 20% alloy. Find the concentration of the resulting gold alloy.

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Question 712524: 40 oz of a 35% gold alloy are mixed with 64 oz of a 20% alloy. Find the concentration of the resulting gold alloy.
Answer by Alan3354(69443) About Me  (Show Source):
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40 oz of a 35% gold alloy are mixed with 64 oz of a 20% alloy. Find the concentration of the resulting gold alloy.
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40*35 + 64*20 = (40 + 64)*C