Respuesta :

syahbanazacki

Step-by-step explanation:

[tex] \frac{6}{22} = \frac{15}{a} [/tex]

[tex] \frac{3}{11} = \frac{15}{a} [/tex]

[tex]3a = 15 \times 11[/tex]

[tex]3a = 165[/tex]

[tex]a = \frac{165}{3} [/tex]

[tex]a = 55[/tex]