
Answer:
50%
Step-by-step explanation:
Given parameters:
Number of those who voted in favor of the tax  = 19
Total member of the council  = 38
Unknown:
Percentage of council members that voted in favor of the tax  = ?
Solution:
To find the percentage of those that voted in favor;
        = [tex]\frac{number of those that voted in favor}{Total number of council members } x 100[/tex]
Input the parameters and solve;
        = [tex]\frac{19}{38}[/tex] x 100
        = 50%