Answer:
23.81 % or [tex]\frac{5}{21}[/tex]
Step-by-step explanation:
The asians = 36
The americans = 72
The Europeans = 50
The Australian = 52
The ratio of the European who attend the event calculated by :
[tex]= \ \frac{Total \ European}{Total \ people} \\\ = \frac{50}{36 \ + 72 \ + 50 \ + 52} \\\ = \frac{50}{210} \\\ = \frac{5}{21}[/tex]or 23.81%