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melissapulido198
10.12.2020 •
Mathematics
For thousands of years old has been considered one of the earths most precious metals 100% pure gold is 24 karat gold which is too soft to be made into jewelry most gold jewelry 14 karat gold approximately 50% gold 18 karat gold is 75% gold in Tokyo goal is 50% good how much of each should be used to make a 14 karat gold bracelet waiting 150 g
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