The main way in which artisan guilds changed labor and social class in medieval Europe is that it gave the artisans, who were mostly members of the lower class, more power--since these guilds acted somewhat like a modern "union" and helped them negotiate better pay.
Adam Smith implies with his theory of the invisible hand that each person moves selfishly within the economic area, however the individual riches also benefits the rest of the population.
I think the theory speaks of the trust that people deposit in moving within their own businesses, which is a good thing.
Answer: k=13 5/7
Explanation: 12/7=k/8 across multiple
7k=12 X 8 divide both side by 7
it gives you k=13 5/7
