Consider the graphs below, which give $m(x)$ in the left graph, in black, and $n(x)$ in the right graph, in blue. Both functions have a sharp corner at $x = 50$.

 $m(x)$ $n(x)$

Let $h(x) = n(m(x))$. Find a point $x$ where $h'(x) = 0.18$.
$x =$