[tex]\huge\boxed{\boxed{\bold{\frac{5}{4}}}}[/tex]
[tex]\hrulefill[/tex]
Let's start by finding [tex]125\%[/tex] in decimal form. To do this, just divide the percentage by [tex]100[/tex]:
[tex]125\div100=1.25[/tex]
This doesn't match any of our choices, so we'll try fraction form.
A percentage in fraction form is just the percentage over a denominator of [tex]100[/tex].
[tex]\frac{125}{100}[/tex]
Now we divide both the numerator and denominator by their greatest common factor, which is [tex]25[/tex]:
[tex]\frac{125\div25}{100\div25}=\large\boxed{\frac{5}{4}}[/tex]