Mathematics, 10.09.2021 01:10 microwave13016
A jeweler has 5 rings, each weighing 14 g, made of an alloy of 15% silver and 85% gold. She decides to melt down the rings and add enough silver to reduce the gold content to 70%. How much silver should she add?
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A jeweler has 5 rings, each weighing 14 g, made of an alloy of 15% silver and 85% gold. She decides...
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