Question

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

Answer 1

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%