Respuesta :

Answer:

[tex]a = 25\% \: of \: 78 \\ a =\frac{25}{100} \times 78 \\ a = \frac{1}{4}\times 78 \\ \boxed{a = 19.5}[/tex]

a=19.5 is the right answer.

Answer:

uh i dont know but i think the other person answered thx

Step-by-step explanation: