I think that there is a number missing here:

in the sense that

of the 24 members alreaday support the idea.

of 24 is
which means that 8 members already support the idea.
So if they need the support of 13 members, this means that they need 13-8=5, that is 5 more members.
The placebo effect best illustrates the impact of positive expectations on feelings and behaviors. This type of medical treatment does not contain any active ingredients but often still produces a physical effect on the individual.Placebos can reduce the symptoms of numerous conditions, including Parkinson's disease, depression, anxiety, and fatigue.
The correct answer is CAUCUS
That is false woman did the most house working