SOLUTION: How many ounces of pure silver should be added to 180 ounces,75% pure,to obtain a mixture 80% pure?

SOLUTION: How many ounces of pure silver should be added to 180 ounces,75% pure,to obtain a mixture 80% pure?

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Question 1152977: How many ounces of pure silver should be added to 180 ounces,75% pure,to obtain a mixture 80% pure?
Answer by VFBundy(438) (Show Source): You can put this solution on YOUR website!

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