Respuesta :

manissaha129

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.

brownminya9

Answer:

19.5 :)

Step-by-step explanation:

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