Question

sterling silver is an alloy combining 925 parts of pure silver and 75 parts of another metal such as copper what percent of a sterling silver is not pure silver​

Answer 1

Answer:

7.5 %

Step-by-step explanation:

sterling silver is combination of 925 pure silver and 75 impure or some materials

Total combination is =925+75= 1000 parts

so asked the % of non silver

So 75 is what % of 1000

75=X/100 *1000

X=7.5%

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Answer 2

Answer:

sterling silver is combination of 925 pure silver and 75 impure or some materials

Total combination is =925+75= 1000 parts

so asked the % of non silver

So 75 is what % of 1000

75=X/100 *1000

X=7.5%