Mathematics, 06.07.2019 07:00 sammypaige08

Ajeweler has 5 rings, each weighing 18 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 75%. how much silver should she add?

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Ajeweler has 5 rings, each weighing 18 g, made of an alloy of 15% silver and 85% gold. she decides t...

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