## Basic College Mathematics (10th Edition)

$\frac{7}{12}$
14 carat gold. It has all 14 part gold and 10 parts alloy. No write the fraction which shows the portion that is gold. $\frac{Parts of Gold}{Parts of gold + parts of alloy} = \frac{14}{14+10} = \frac{14}{24} = \frac{14\div2}{24\div2} = \frac{7}{12}$ Ans is $\frac{7}{12}$