lori0601 lori0601

03-03-2019
Mathematics

contestada

A jeweler has five rings, each weighing 18g, made of 20% silver and 80% gold. He decides to melt down the rings and add enough silver to reduce the gold content to 60%. How much silver should he add?

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amalpowsina amalpowsina

03-03-2019

Answer:20% more silver

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