[tex] \frac{80}{100}*x=96 [/tex] ⇒ [tex] \frac{80\div20}{100\div20} *x=96[/tex]
[tex] \frac{4}{5}*x=96 [/tex] ⇒ [tex]x= \frac{96*5}{4}=24*5 [/tex]
[tex]\boxed {x=120}[/tex]
[tex] \frac{25}{100}*x= \frac{25\div25}{100\div25}*120 = \frac{120}{4} = \boxed {30} [/tex]
The answer is B.