Answer:
[tex] = \frac{2}{3} (10 - 6) \frac{1}{2} [/tex]
[tex] = \frac{2}{3} (4) \frac{1}{2} [/tex]
[tex] = \frac{8}{3} \times \frac{1}{2} [/tex]
[tex] = \frac{4}{3} [/tex]