Question

How many ounces of gold are in a 16​-karat gold chain that weighs 2.6 ​ounces?

Answer 1

A 16 karat gold means that there are 16 parts of gold in 24 parts of the gold chain. Therefore the weight of the pure gold is:

pure gold = (16 / 24) * 2.6 ounces

pure gold = 1.73 ounces