$w(x)=(x+125{)}^{\frac{1}{3}}$

A$.$ It will be about $5\mathrm{.}5$ weeks until $50$ percent of the campus is watching the show.

B$.$ It will be about $6$ weeks until $50$ percent of the campus is watching the show.

C$.$ It will be about $5\mathrm{.}6$ weeks until $50$ percent of the campus is watching the show.

D$.$ It will be about $5\mathrm{.}7$ weeks until $60$ percent of the campus is watching the show.