3. A sterling silver items is 90.0% silver by mass. This means that:
A. 90 g is silver and 10g is another metal (usually copper)
B. 10 g is silver and 90g is another metal (usually copper)
C. 40g is silver and 60g is another metal (usually copper)
D. 90g of the jewelry is made up of pure silver
that contain:
A. 90 g is silver and 10g is another metal (usually copper)
B. 10 g is silver and 90g is another metal (usually copper)
C. 40g is silver and 60g is another metal (usually copper)
D. 90g of the jewelry is made up of pure silver
that contain:
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Answer:
i think its letter a
correct me if im wrong