A group of children and adults were polled about whether they watch a particular TV show. The survey results, showing the joint relative frequencies and marginal relative frequencies, are shown in the two-way table.

\(\begin{array}{c|c|c| c} & Yes & No & Total \\ \hline Children & 0.3 & 0.4 & 0.7 \\ Adults & 0.25& x & 0.3 \\ \hline Total & 0.55 & 0.45 & 1 \end{array}\)

What is the value of x?