SOLUTION: A jeweler has five rings, each weighing 18 g, made of an alloy of 10% silver adn 90% gold. He decides to melt down the rings and add enough silver to reduce the gold content to 75
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Question 23844: A jeweler has five rings, each weighing 18 g, made of an alloy of 10% silver adn 90% gold. He decides to melt down the rings and add enough silver to reduce the gold content to 75%. How much silver should he add?
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