Respuesta :

This is a ratio question.

[tex] \frac{84}{x}=\frac{3}{7} \implies \\
\frac{x}{84}=\frac{7}{3} \implies \\
x=\frac{84*7}{3} \implies\\
x=28*7 \implies \\
x=196 [/tex]

There were 196 votes cast.