Final answer:
The percent gold in a 10 karat gold necklace is approximately 41.7%, as karat indicates the purity of gold, with 10 karats meaning the piece is 10/24 pure.
Step-by-step explanation:
To calculate the percent gold in a 10 karat gold necklace, we need to understand the karat system. Jewelry's gold purity is measured in karats, with 24 karats being pure gold. Therefore, 10 karats mean the jewelry is made up of 10 parts gold and 14 parts other metals, making it 10/24 pure.
The mathematical calculation for the percent gold in the 10 karat necklace is as follows:
Percent Gold = (Gold Karats / Total Karats) × 100 = (10 / 24) × 100 = approximately 41.7%
So, a 10 karat gold necklace is about 41.7% gold.