Question

14 karat is 7/12 pure gold and 5/12 other metals. how much pure gold is in 4 ounces of 14-karat gold

Answer 1

7

12

 of the 4oz is pure gold.

7

12

×

4

o

z

   

→

cancel

7

12

3

×

4

1

7

3

=

2

1

3

oz