Respuesta :

Answer: a. -52 1/2

Step-by-step explanation:

    Given:

3/4(2/3 + 4/3) - 9 / 1/2 x 1/3

[tex]\displaystyle \frac{3}{4}(\frac{2}{3} +\frac{4}{3} )-\frac{9}{\frac{1}{2} *\frac{1}{3} }[/tex]

    Add and multiply:

[tex]\displaystyle \frac{3}{4}(\frac{6}{3} )-\frac{9}{\frac{1}{6} }[/tex]

    Simplify and divide:

[tex]\displaystyle \frac{3}{4}(2 )-54[/tex]

    Multiply:

[tex]\displaystyle 1.5-54[/tex]

    Subtract:

         a. -52 1/2