Answer:
[tex]\frac{7}{15}[/tex] or 46.6667%
Step-by-step explanation:
9 chocolates
14 gumballs
+ 7 mints
30 pieces of candy in the jar
[tex]\frac{14}{30}[/tex] of those candies are gumballs.
This can be simplified to [tex]\frac{7}{15}[/tex]
As a percentage: 46.6667%
Hope this helps~!
