tolong bantuin dong dari no 6 pakai cara makasih

a/8 = 2/6
a = 8.2/6
a = 16/6
a = 2 4/6
a = 2 2/3 (B)

6)
a=[tex] \frac{(2+6)}{6}[/tex]×2
  =[tex] \frac{8}{6} [/tex]×2
  =[tex] \frac{4}{3} [/tex]×2
  =[tex] \frac{8}{3} [/tex]
  =2[tex] \frac{2}{3} [/tex]

jawabannya B

7)
jawabannya C
karena:
[tex] \frac{20}{5} [/tex]≠[tex] \frac{15}{5} [/tex]