[i absolutely don't get this, sterling silver is an alloy of 92.5% sliver and 7.5% copper by weight. you have 15 ounces of 800 grade silver which is 80% silver and 20% copper. how much pure silver should you add to the 800 grade to make sterling silver?

If is the amount of pure silver you add to the alloy, then the new alloy will have a total weight of oz. You want 92.5% of this alloy to be silver, so that the amount of silver in the new alloy is .

80% of the starting 15 oz alloy was silver; this comes out to 12 oz. To this amount we are adding . So

and solving this tells you that you need to add oz of silver to get the sterling silver alloy.

i'm not sure what you mean but in todays world there is a lot of women that are the bread winners in the family. there is a lot more single mothers now that are going back to get an education which is boosting the economy. i believe there has been a boost in the economy due to women the cosmetic industry is boosting, chemist, the sky is becoming the limit for women in todays economy. most women are also putting off having kids just to make sure they have a education. i don't know how these two relate though to scriptures because it's not the way the lord wanted it. the man is suppose to be the bread winner and due to social media and the easy access we have there is a lot of cheating going on.

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