emmie50
10.09.2021 •
Mathematics
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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Ответ:
answer: 1/1/23/3/3
step-by-step explanation: