Respuesta :

Answer:

[tex]\frac{2}{15}[/tex]

Step-by-step explanation:

Substitute the values for a and c into the expression

- 2c + a

= - 2× [tex]\frac{3}{10}[/tex] + [tex]\frac{11}{15}[/tex]

= - [tex]\frac{3}{5}[/tex] + [tex]\frac{11}{15}[/tex]

= - [tex]\frac{3(3)}{5(3)}[/tex] + [tex]\frac{11}{15}[/tex]

= - [tex]\frac{9}{15}[/tex] + [tex]\frac{11}{15}[/tex]

= [tex]\frac{2}{15}[/tex]