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October 21, 2014

Posts by Toulouse


Total # Posts: 1

Physics(class) /Math (problem)
Joe has a ring weighing 16 grams made of an alloy of 20% silver and the rest gold. He decides to melt down the rings and add enough silver to reduce the gold content to 69% . How many grams of silver should he add?
October 4, 2012

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