Find the percentage of pure gold in 22-carat gold, if 24-carat gold is 100% pure.
22-carat gold contains 22 parts out of 24 parts.
∴ Percentage of pure gold in 22-carat gold 
Hence, 22-carat gold contains 
of pure gold.
22
Find the percentage of pure gold in 22-carat gold, if 24-carat gold is 100% pure.
22-carat gold contains 22 parts out of 24 parts.
∴ Percentage of pure gold in 22-carat gold
Hence, 22-carat gold contains of pure gold.