Respuesta :

[tex] (30-9\div 3)\div 9=(30-3)\div 9=27\div 9=3 [/tex]

(30 - 9 ÷ 3) ÷ 9

Solve inside the parentheses first. You have to complete division first, so do -9 ÷ 3.

(30 - 3) ÷ 9

Now complete subtraction, 30 - 3.

27 ÷ 9 = [tex] \boxed {3} [/tex]