Respuesta :

15/20 = 8/x

15x = 160

x= 32÷3

Answer:

[tex]\frac{x}{20}[/tex]  = [tex]\frac{9}{15}[/tex]

[tex]\frac{x}{20-x}[/tex] = [tex]\frac{9}{6}[/tex]

Step-by-step explanation: