Answer:
45%
Explanation:
She receives 72 of a total of 160 votes, so we must find what percentage represents the 72 votes out of 160.
What we know is that the 100% of votes is 160:
votes percentage
160 → 100%
and we want to know the percentage of 72 votes, which i will call x:
votes percentage
160 → 100%
72 → x
to find the x we multiply 100% by 72 and then divide by 160:
%
Sophie received the 45% of the votes.