Here is my answer. In this problem, you need to use the similarity of triangles. I hope this is helpful.
Answer:
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Step-by-step explanation:
can u answer my question ****I KNOW THE ANSWER I JUST WANNA KNOW HOW U GET IT***
What percent of pure gold is in a watchcase that is 16 carats fine? In a chain that is 12 carats fine? In a ring that is 14 carats fine?