Respuesta :
only 5 glasses because:
[tex] \frac{17}{8}[/tex] ÷ [tex] \frac{2}{5} [/tex] = 5 [tex] \frac{5}{16} [/tex]
[tex] \frac{17}{8}[/tex] ÷ [tex] \frac{2}{5} [/tex] = 5 [tex] \frac{5}{16} [/tex]